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4562, "data_size_bytes": 21466869, "rdf_statements": 2000000, "source_rows": 100000, "source_cells": 2100000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_20_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "raw_100000_20_0", "display_name": "100K members, 20 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-members#100K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 89.8709, "timing_breakdown": { "inversion_time": 55.9091, "total_time": 89.8709, "inversion_overhead_percentage": 164.62348874323507, "forward_time": 33.9618 }, "throughput": { "rows_per_second": 1788.6175953467323, "cells_per_second": 37560.96950228138 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_0/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 21466869, "rdf_statements": 2000000, "source_rows": 100000, "source_cells": 2100000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_0/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_20_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "raw_1000000_20_0": [ { "status": "completed", "scenario_name": "raw_1000000_20_0", "display_name": "1M members, 20 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-members#1M", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 716.2075, "timing_breakdown": { "inversion_time": 568.0145, "total_time": 716.2075, "inversion_overhead_percentage": 383.29374531860486, "forward_time": 148.19299999999998 }, "throughput": { "rows_per_second": 1760.518437469466, "cells_per_second": 36970.88718685879 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_1000000_20_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "raw_1000000_20_0", "display_name": "1M members, 20 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-members#1M", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 720.8144, "timing_breakdown": { "inversion_time": 575.8889, "total_time": 720.8144, "inversion_overhead_percentage": 397.3689240333827, "forward_time": 144.9255 }, "throughput": { "rows_per_second": 1736.4460401997676, "cells_per_second": 36465.366844195116 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_1000000_20_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "raw_1000000_20_0", "display_name": "1M members, 20 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-members#1M", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 690.9744000000001, "timing_breakdown": { "inversion_time": 543.9835, "total_time": 690.9744000000001, "inversion_overhead_percentage": 370.0797124175715, "forward_time": 146.99089999999998 }, "throughput": { "rows_per_second": 1838.2910511072484, "cells_per_second": 38604.11207325222 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_1000000_20_0/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_1000000_20_0/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_1000000_20_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "raw_10000000_20_0": [ { "status": "failed", "scenario_name": "raw_10000000_20_0", "display_name": "10M members, 20 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 10000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-members#10M", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 71.26109999999998, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-26 13:37:21,029] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Required array length 2147483639 + 96 is too large\n[2026-07-26 13:37:21,032] ERROR at java.base/jdk.internal.util.ArraysSupport.hugeLength(ArraysSupport.java:752)\n[2026-07-26 13:37:21,034] ERROR at java.base/jdk.internal.util.ArraysSupport.newLength(ArraysSupport.java:745)\n[2026-07-26 13:37:21,035] ERROR at java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:263)\n[2026-07-26 13:37:21,036] ERROR at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:243)\n[2026-07-26 13:37:21,038] ERROR at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:592)\n[2026-07-26 13:37:21,039] ERROR at java.base/java.lang.StringBuffer.append(StringBuffer.java:313)\n[2026-07-26 13:37:21,040] ERROR at java.base/java.io.StringWriter.write(StringWriter.java:106)\n[2026-07-26 13:37:21,041] ERROR at com.opencsv.CSVWriter.writeNext(CSVWriter.java:91)\n[2026-07-26 13:37:21,042] ERROR at com.opencsv.AbstractCSVWriter.writeNext(AbstractCSVWriter.java:77)\n[2026-07-26 13:37:21,044] ERROR at com.opencsv.ICSVWriter.writeNext(ICSVWriter.java:162)\n[2026-07-26 13:37:21,045] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getCSVInputStream(RDBAccess.java:222)\n[2026-07-26 13:37:21,046] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getInputStream(RDBAccess.java:158)\n[2026-07-26 13:37:21,047] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.bootstrap(CSVWSourceIterator.java:50)\n[2026-07-26 13:37:21,048] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.(CSVWSourceIterator.java:39)\n[2026-07-26 13:37:21,050] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVSourceIterator.(CSVSourceIterator.java:22)\n[2026-07-26 13:37:21,051] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecordsForCSV(TabularSourceFactory.java:79)\n[2026-07-26 13:37:21,052] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecords(TabularSourceFactory.java:33)\n[2026-07-26 13:37:21,054] ERROR at be.ugent.rml.records.RecordsFactory.getRecords(RecordsFactory.java:143)\n[2026-07-26 13:37:21,055] ERROR at be.ugent.rml.records.RecordsFactory.createRecords(RecordsFactory.java:74)\n[2026-07-26 13:37:21,056] ERROR at be.ugent.rml.Executor.getRecords(Executor.java:359)\n[2026-07-26 13:37:21,057] ERROR at be.ugent.rml.Executor.executeWithFunction(Executor.java:168)\n[2026-07-26 13:37:21,062] ERROR at be.ugent.rml.Executor.execute(Executor.java:155)\n[2026-07-26 13:37:21,064] ERROR at be.ugent.rml.cli.Main.run(Main.java:440)\n[2026-07-26 13:37:21,065] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-26 13:37:21,066] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-26 13:37:21,067] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "raw_100000_1_0": [ { "status": "completed", "scenario_name": "raw_100000_1_0", "display_name": "100K members, 1 property", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 1, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#1", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 14.752200000000002, "timing_breakdown": { "inversion_time": 8.5494, "total_time": 14.752200000000002, "inversion_overhead_percentage": 137.8313019926485, "forward_time": 6.202800000000001 }, "throughput": { "rows_per_second": 11696.727255713851, "cells_per_second": 23393.454511427703 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/data.csv" ], "mapping_size_bytes": 512, "data_size_bytes": 1577796, "rdf_statements": 100000, "source_rows": 100000, "source_cells": 200000, "triples_maps_count": 1, "predicate_object_maps_count": 1, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_1_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1" ], "reconstructed_columns": [ "id", "p1" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "raw_100000_1_0", "display_name": "100K members, 1 property", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 1, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#1", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 15.208099999999998, "timing_breakdown": { "inversion_time": 8.526, "total_time": 15.208099999999998, "inversion_overhead_percentage": 127.59461845826911, "forward_time": 6.682099999999999 }, "throughput": { "rows_per_second": 11728.82946281961, "cells_per_second": 23457.65892563922 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/data.csv" ], "mapping_size_bytes": 512, "data_size_bytes": 1577796, "rdf_statements": 100000, "source_rows": 100000, "source_cells": 200000, "triples_maps_count": 1, "predicate_object_maps_count": 1, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_1_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1" ], "reconstructed_columns": [ "id", "p1" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "raw_100000_1_0", "display_name": "100K members, 1 property", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 1, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#1", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 15.328599999999998, "timing_breakdown": { "inversion_time": 8.5207, "total_time": 15.328599999999998, "inversion_overhead_percentage": 125.15900644839084, "forward_time": 6.807899999999999 }, "throughput": { "rows_per_second": 11736.124966258642, "cells_per_second": 23472.249932517283 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_1_0/data/shared/data.csv" ], "mapping_size_bytes": 512, "data_size_bytes": 1577796, "rdf_statements": 100000, "source_rows": 100000, "source_cells": 200000, "triples_maps_count": 1, "predicate_object_maps_count": 1, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_1_0/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_1_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1" ], "reconstructed_columns": [ "id", "p1" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "raw_100000_10_0": [ { "status": "completed", "scenario_name": "raw_100000_10_0", "display_name": "100K members, 10 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 10, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#10", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 46.694900000000004, "timing_breakdown": { "inversion_time": 30.3396, "total_time": 46.694900000000004, "inversion_overhead_percentage": 185.50317022616522, "forward_time": 16.3553 }, "throughput": { "rows_per_second": 3296.0223602156916, "cells_per_second": 36256.24596237261 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_10_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_10_0/data/shared/data.csv" ], "mapping_size_bytes": 2422, "data_size_bytes": 10577879, "rdf_statements": 1000000, "source_rows": 100000, "source_cells": 1100000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_10_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "raw_100000_10_0", "display_name": "100K members, 10 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 10, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#10", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 46.907000000000004, "timing_breakdown": { "inversion_time": 30.9831, "total_time": 46.907000000000004, "inversion_overhead_percentage": 194.5697975998342, "forward_time": 15.923900000000001 }, "throughput": { "rows_per_second": 3227.565995655696, "cells_per_second": 35503.225952212655 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_10_0/data/shared/mapping.r2rml.ttl", "data_files": [ 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"p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "raw_100000_10_0", "display_name": "100K members, 10 properties", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 10, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/number-of-properties#10", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 47.0321, "timing_breakdown": { "inversion_time": 30.8057, "total_time": 47.0321, "inversion_overhead_percentage": 189.8492579993098, "forward_time": 16.226399999999998 }, "throughput": { "rows_per_second": 3246.1524977520394, "cells_per_second": 35707.67747527243 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_10_0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_10_0/data/shared/data.csv" ], "mapping_size_bytes": 2422, "data_size_bytes": 10577879, "rdf_statements": 1000000, "source_rows": 100000, "source_cells": 1100000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_10_0/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_10_0", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, 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true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "raw_100000_20_1000": [ { "status": "completed", "scenario_name": "raw_100000_20_1000", "display_name": "1K characters", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 1000, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/value-size#1K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 449.81229999999994, "timing_breakdown": { "inversion_time": 138.7316, "total_time": 449.81229999999994, "inversion_overhead_percentage": 44.59665932344887, "forward_time": 311.0807 }, "throughput": { "rows_per_second": 720.816310054811, "cells_per_second": 15137.14251115103 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 2023466869, "rdf_statements": 2000000, "source_rows": 100000, "source_cells": 2100000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_20_1000", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "raw_100000_20_1000", "display_name": "1K characters", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 1000, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/value-size#1K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 421.4275, "timing_breakdown": { "inversion_time": 135.4571, "total_time": 421.4275, "inversion_overhead_percentage": 47.367524750813374, "forward_time": 285.9704 }, "throughput": { "rows_per_second": 738.2411110233425, "cells_per_second": 15503.063331490192 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 2023466869, "rdf_statements": 2000000, "source_rows": 100000, "source_cells": 2100000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_20_1000", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "raw_100000_20_1000", "display_name": "1K characters", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 1000, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/value-size#1K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 409.4893, "timing_breakdown": { "inversion_time": 140.6325, "total_time": 409.4893, "inversion_overhead_percentage": 52.30758530191536, "forward_time": 268.8568 }, "throughput": { "rows_per_second": 711.0731872077934, "cells_per_second": 14932.536931363662 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/raw_100000_20_1000/data/shared/data.csv" ], "mapping_size_bytes": 4562, "data_size_bytes": 2023466869, "rdf_statements": 2000000, "source_rows": 100000, "source_cells": 2100000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/raw_100000_20_1000/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "raw_100000_20_1000", "validation_passed": true, "expected_outcome": "FULL", "outcome": "FULL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": true, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 100000, "reconstructed_rows": 100000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": true, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "raw_100000_20_5000": [ { "status": "failed", "scenario_name": "raw_100000_20_5000", "display_name": "5K characters", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 5000, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/value-size#5K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 31.838099999999983, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-26 14:59:13,086] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Required array length 2147483639 + 18543 is too large\n[2026-07-26 14:59:13,088] ERROR at java.base/jdk.internal.util.ArraysSupport.hugeLength(ArraysSupport.java:752)\n[2026-07-26 14:59:13,088] ERROR at java.base/jdk.internal.util.ArraysSupport.newLength(ArraysSupport.java:745)\n[2026-07-26 14:59:13,089] ERROR at java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:263)\n[2026-07-26 14:59:13,090] ERROR at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:243)\n[2026-07-26 14:59:13,090] ERROR at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:592)\n[2026-07-26 14:59:13,091] ERROR at java.base/java.lang.StringBuffer.append(StringBuffer.java:313)\n[2026-07-26 14:59:13,091] ERROR at java.base/java.io.StringWriter.write(StringWriter.java:106)\n[2026-07-26 14:59:13,093] ERROR at com.opencsv.CSVWriter.writeNext(CSVWriter.java:91)\n[2026-07-26 14:59:13,095] ERROR at com.opencsv.AbstractCSVWriter.writeNext(AbstractCSVWriter.java:77)\n[2026-07-26 14:59:13,095] ERROR at com.opencsv.ICSVWriter.writeNext(ICSVWriter.java:162)\n[2026-07-26 14:59:13,096] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getCSVInputStream(RDBAccess.java:222)\n[2026-07-26 14:59:13,096] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getInputStream(RDBAccess.java:158)\n[2026-07-26 14:59:13,097] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.bootstrap(CSVWSourceIterator.java:50)\n[2026-07-26 14:59:13,097] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.(CSVWSourceIterator.java:39)\n[2026-07-26 14:59:13,098] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVSourceIterator.(CSVSourceIterator.java:22)\n[2026-07-26 14:59:13,098] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecordsForCSV(TabularSourceFactory.java:79)\n[2026-07-26 14:59:13,099] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecords(TabularSourceFactory.java:33)\n[2026-07-26 14:59:13,100] ERROR at be.ugent.rml.records.RecordsFactory.getRecords(RecordsFactory.java:143)\n[2026-07-26 14:59:13,100] ERROR at be.ugent.rml.records.RecordsFactory.createRecords(RecordsFactory.java:74)\n[2026-07-26 14:59:13,101] ERROR at be.ugent.rml.Executor.getRecords(Executor.java:359)\n[2026-07-26 14:59:13,101] ERROR at be.ugent.rml.Executor.executeWithFunction(Executor.java:168)\n[2026-07-26 14:59:13,102] ERROR at be.ugent.rml.Executor.execute(Executor.java:155)\n[2026-07-26 14:59:13,102] ERROR at be.ugent.rml.cli.Main.run(Main.java:440)\n[2026-07-26 14:59:13,103] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-26 14:59:13,103] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-26 14:59:13,104] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "raw_100000_20_10000": [ { "status": "failed", "scenario_name": "raw_100000_20_10000", "display_name": "10K characters", "suite": "raw", "generator": "RawData", "expected_outcome": "FULL", "parameters": { "number_of_members": 100000, "number_of_properties": 20, "value_size": 10000, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/value-size#10K", "file": "data-generator/config/benchmark-raw-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 90.12450000000001, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-26 15:09:50,453] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Required array length 2147483639 + 149939 is too large\n[2026-07-26 15:09:50,456] ERROR at java.base/jdk.internal.util.ArraysSupport.hugeLength(ArraysSupport.java:752)\n[2026-07-26 15:09:50,458] ERROR at java.base/jdk.internal.util.ArraysSupport.newLength(ArraysSupport.java:745)\n[2026-07-26 15:09:50,459] ERROR at java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:263)\n[2026-07-26 15:09:50,460] ERROR at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:243)\n[2026-07-26 15:09:50,462] ERROR at java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:592)\n[2026-07-26 15:09:50,463] ERROR at java.base/java.lang.StringBuffer.append(StringBuffer.java:313)\n[2026-07-26 15:09:50,464] ERROR at java.base/java.io.StringWriter.write(StringWriter.java:106)\n[2026-07-26 15:09:50,466] ERROR at com.opencsv.CSVWriter.writeNext(CSVWriter.java:91)\n[2026-07-26 15:09:50,467] ERROR at com.opencsv.AbstractCSVWriter.writeNext(AbstractCSVWriter.java:77)\n[2026-07-26 15:09:50,468] ERROR at com.opencsv.ICSVWriter.writeNext(ICSVWriter.java:162)\n[2026-07-26 15:09:50,469] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getCSVInputStream(RDBAccess.java:222)\n[2026-07-26 15:09:50,471] ERROR at be.ugent.idlab.knows.dataio.access.RDBAccess.getInputStream(RDBAccess.java:158)\n[2026-07-26 15:09:50,472] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.bootstrap(CSVWSourceIterator.java:50)\n[2026-07-26 15:09:50,473] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVWSourceIterator.(CSVWSourceIterator.java:39)\n[2026-07-26 15:09:50,475] ERROR at be.ugent.idlab.knows.dataio.iterators.CSVSourceIterator.(CSVSourceIterator.java:22)\n[2026-07-26 15:09:50,476] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecordsForCSV(TabularSourceFactory.java:79)\n[2026-07-26 15:09:50,477] ERROR at be.ugent.rml.records.TabularSourceFactory.getRecords(TabularSourceFactory.java:33)\n[2026-07-26 15:09:50,478] ERROR at be.ugent.rml.records.RecordsFactory.getRecords(RecordsFactory.java:143)\n[2026-07-26 15:09:50,480] ERROR at be.ugent.rml.records.RecordsFactory.createRecords(RecordsFactory.java:74)\n[2026-07-26 15:09:50,481] ERROR at be.ugent.rml.Executor.getRecords(Executor.java:359)\n[2026-07-26 15:09:50,482] ERROR at be.ugent.rml.Executor.executeWithFunction(Executor.java:168)\n[2026-07-26 15:09:50,483] ERROR at be.ugent.rml.Executor.execute(Executor.java:155)\n[2026-07-26 15:09:50,485] ERROR at be.ugent.rml.cli.Main.run(Main.java:440)\n[2026-07-26 15:09:50,487] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-26 15:09:50,489] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-26 15:09:50,491] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "mappings_1_5": [ { "status": "completed", "scenario_name": "mappings_1_5", "display_name": "1TM + 5POM", "suite": "mappings", "generator": "Mappings", "expected_outcome": "PARTIAL", "parameters": { "number_of_tms": 1, "number_of_poms": 5, "number_of_members": 100000, "number_of_properties": 30, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/mappings#1TM5POM", "file": "data-generator/config/benchmark-mappings-rmlmapper.json", "overrides": { "data_format": { "source": "csv", "benchmark": "postgresql" } } }, "execution_time": 33.242900000000006, "timing_breakdown": { "inversion_time": 17.4185, "total_time": 33.242900000000006, "inversion_overhead_percentage": 110.07368367837012, "forward_time": 15.8244 }, "throughput": { "rows_per_second": 5741.022476102993, "cells_per_second": 177971.6967591928 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/mappings_1_5/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/mappings_1_5/data/shared/data.csv" ], "mapping_size_bytes": 1360, "data_size_bytes": 32355859, "rdf_statements": 500000, "source_rows": 100000, "source_cells": 3100000, "triples_maps_count": 1, "predicate_object_maps_count": 5, "join_conditions_count": 0, "graph_maps_count": 0, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/mappings_1_5/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/mappings_1_5/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/mappings_1_5/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/mappings_1_5/backward/results/run_1/case-info.txt", 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"metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_5SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_5SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_5SM-NG_0POM-NG_1TM_20POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True": [ { "status": "completed", "scenario_name": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "display_name": "Subject 10 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": true, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NG static", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 7125.4144, "timing_breakdown": { "inversion_time": 5963.2109, "total_time": 7125.4144, "inversion_overhead_percentage": 513.0952453679585, "forward_time": 1162.2034999999998 }, "throughput": { "rows_per_second": 167.6948906838093, "cells_per_second": 3521.592704359995 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/data.csv" ], "mapping_size_bytes": 5019, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "display_name": "Subject 10 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": true, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NG static", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 7474.412200000001, "timing_breakdown": { "inversion_time": 6333.7403, "total_time": 7474.412200000001, "inversion_overhead_percentage": 555.2639895836833, "forward_time": 1140.6718999999998 }, "throughput": { "rows_per_second": 157.8845915106434, "cells_per_second": 3315.5764217235114 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/data.csv" ], "mapping_size_bytes": 5019, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "display_name": "Subject 10 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": true, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NG static", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 7567.5127999999995, "timing_breakdown": { "inversion_time": 6423.9836, "total_time": 7567.5127999999995, "inversion_overhead_percentage": 561.7682171998755, "forward_time": 1143.5292000000002 }, "throughput": { "rows_per_second": 155.6666489621798, "cells_per_second": 3268.999628205776 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/data/shared/data.csv" ], "mapping_size_bytes": 5019, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_True/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_15SM-NG_0POM-NG_1TM_20POM_True": [ { "status": "failed", "scenario_name": "namedgraph_15SM-NG_0POM-NG_1TM_20POM_True", "display_name": "Subject 15 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 15, "static": true, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject15NG static", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 1507.241, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-27 06:00:28,047] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Java heap space\n[2026-07-27 06:00:28,051] ERROR at be.ugent.rml.store.RDF4JStore.getQuads(RDF4JStore.java:106)\n[2026-07-27 06:00:28,051] ERROR at be.ugent.rml.cli.Main.writeOutputTargets(Main.java:519)\n[2026-07-27 06:00:28,052] ERROR at be.ugent.rml.cli.Main.run(Main.java:459)\n[2026-07-27 06:00:28,053] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-27 06:00:28,053] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-27 06:00:28,054] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "namedgraph_1SM-NG_0POM-NG_1TM_20POM_False": [ { "status": "completed", "scenario_name": "namedgraph_1SM-NG_0POM-NG_1TM_20POM_False", "display_name": "Subject 1 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 1, "static": false, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject1NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 1035.1264, "timing_breakdown": { "inversion_time": 756.6942, "total_time": 1035.1264, "inversion_overhead_percentage": 271.7696444592256, "forward_time": 278.4322 }, "throughput": { "rows_per_second": 1321.5378154081266, "cells_per_second": 27752.294123570657 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_0POM-NG_1TM_20POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_0POM-NG_1TM_20POM_False/data/shared/data.csv" ], "mapping_size_bytes": 4635, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 1, 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"parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": false, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 5590.8861, "timing_breakdown": { "inversion_time": 4311.9749, "total_time": 5590.8861, "inversion_overhead_percentage": 337.15983564769783, "forward_time": 1278.9112 }, "throughput": { "rows_per_second": 231.91229614996135, "cells_per_second": 4870.158219149188 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/data.csv" ], "mapping_size_bytes": 5212, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_False", "display_name": "Subject 10 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": false, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 5895.5986, "timing_breakdown": { "inversion_time": 4656.0114, "total_time": 5895.5986, "inversion_overhead_percentage": 375.60983204731383, "forward_time": 1239.5872 }, "throughput": { "rows_per_second": 214.77610643307273, "cells_per_second": 4510.298235094527 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/data.csv" ], "mapping_size_bytes": 5212, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_False", "display_name": "Subject 10 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 10, "static": false, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 5784.2501999999995, "timing_breakdown": { "inversion_time": 4581.0678, "total_time": 5784.2501999999995, "inversion_overhead_percentage": 380.74591184179553, "forward_time": 1203.1824 }, "throughput": { "rows_per_second": 218.28971839272933, "cells_per_second": 4584.084086247316 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/data/shared/data.csv" ], "mapping_size_bytes": 5212, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 20, "join_conditions_count": 0, "graph_maps_count": 10, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_0POM-NG_1TM_20POM_False/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_0POM-NG_1TM_20POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_15SM-NG_0POM-NG_1TM_20POM_False": [ { "status": "failed", "scenario_name": "namedgraph_15SM-NG_0POM-NG_1TM_20POM_False", "display_name": "Subject 15 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 0, "number_of_ng_s": 15, "static": false, "number_of_tms": 1, "number_of_poms": 20, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject15NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 1436.5063, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-27 17:08:30,923] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Java heap space\n[2026-07-27 17:08:30,925] ERROR at java.base/java.util.Arrays.copyOfRangeByte(Arrays.java:3863)\n[2026-07-27 17:08:30,926] ERROR at java.base/java.util.Arrays.copyOfRange(Arrays.java:3854)\n[2026-07-27 17:08:30,927] ERROR at java.base/java.lang.StringLatin1.newString(StringLatin1.java:756)\n[2026-07-27 17:08:30,927] ERROR at java.base/java.lang.String.substring(String.java:2828)\n[2026-07-27 17:08:30,928] ERROR at java.base/java.lang.String.subSequence(String.java:2861)\n[2026-07-27 17:08:30,928] ERROR at java.base/java.util.regex.Matcher.getSubSequence(Matcher.java:1819)\n[2026-07-27 17:08:30,929] ERROR at java.base/java.util.regex.Matcher.group(Matcher.java:691)\n[2026-07-27 17:08:30,930] ERROR at be.ugent.rml.store.RDF4JStore.convertStringToTerm(RDF4JStore.java:351)\n[2026-07-27 17:08:30,930] ERROR at be.ugent.rml.store.RDF4JStore.getQuads(RDF4JStore.java:101)\n[2026-07-27 17:08:30,931] ERROR at be.ugent.rml.cli.Main.writeOutputTargets(Main.java:519)\n[2026-07-27 17:08:30,931] ERROR at be.ugent.rml.cli.Main.run(Main.java:459)\n[2026-07-27 17:08:30,932] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-27 17:08:30,932] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-27 17:08:30,933] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "namedgraph_0SM-NG_1POM-NG_1TM_1POM_True": [ { "status": "completed", "scenario_name": "namedgraph_0SM-NG_1POM-NG_1TM_1POM_True", "display_name": "1 POM 1 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 1, "number_of_ng_s": 0, "static": true, "number_of_tms": 1, "number_of_poms": 1, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#1POM1NG static", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 88.90780000000001, "timing_breakdown": { "inversion_time": 45.8757, "total_time": 88.90780000000001, "inversion_overhead_percentage": 106.60809023961181, "forward_time": 43.0321 }, "throughput": { "rows_per_second": 21798.032509585682, "cells_per_second": 457758.6827012994 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/data/shared/data.csv" ], "mapping_size_bytes": 563, "data_size_bytes": 235666890, "rdf_statements": 1000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 1, "join_conditions_count": 0, "graph_maps_count": 1, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_0SM-NG_1POM-NG_1TM_1POM_True/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_0SM-NG_1POM-NG_1TM_1POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1" ] }, "exact": false, 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10, "number_of_ng_s": 10, "static": true, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject10NG10POM10NGstatic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 8966.5858, "timing_breakdown": { "inversion_time": 6571.4483, "total_time": 8966.5858, "inversion_overhead_percentage": 274.36622323353043, "forward_time": 2395.1375 }, "throughput": { "rows_per_second": 152.17345619229783, "cells_per_second": 3195.6425800382544 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/data/shared/data.csv" ], "mapping_size_bytes": 7849, "data_size_bytes": 235666890, "rdf_statements": 200000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 110, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_10POM-NG_1TM_10POM_True/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_10POM-NG_1TM_10POM_True", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_15SM-NG_15POM-NG_1TM_10POM_True": [ { "status": "failed", "scenario_name": "namedgraph_15SM-NG_15POM-NG_1TM_10POM_True", "display_name": "Subject 15 NG + 10 POM 15 NG static", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 15, "number_of_ng_s": 15, "static": true, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject15NG10POM15NGstatic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 4563.759400000001, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-28 12:48:54,412] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Java heap space\n[2026-07-28 12:48:54,415] ERROR at java.base/java.util.regex.Matcher.(Matcher.java:251)\n[2026-07-28 12:48:54,416] ERROR at java.base/java.util.regex.Pattern.matcher(Pattern.java:1180)\n[2026-07-28 12:48:54,417] ERROR at be.ugent.rml.store.RDF4JStore.convertStringToTerm(RDF4JStore.java:343)\n[2026-07-28 12:48:54,417] ERROR at be.ugent.rml.store.RDF4JStore.getQuads(RDF4JStore.java:101)\n[2026-07-28 12:48:54,418] ERROR at be.ugent.rml.cli.Main.writeOutputTargets(Main.java:519)\n[2026-07-28 12:48:54,419] ERROR at be.ugent.rml.cli.Main.run(Main.java:459)\n[2026-07-28 12:48:54,420] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-28 12:48:54,420] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-28 12:48:54,421] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False": [ { "status": "completed", "scenario_name": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "display_name": "Subject 1 NG + 10 POM 1 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 1, "number_of_ng_s": 1, "static": false, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject1NG10POM1NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 678.3131999999999, "timing_breakdown": { "inversion_time": 507.1473, "total_time": 678.3131999999999, "inversion_overhead_percentage": 296.2899152225998, "forward_time": 171.1659 }, "throughput": { "rows_per_second": 1971.8137117164974, "cells_per_second": 41408.08794604645 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/data.csv" ], "mapping_size_bytes": 3265, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 11, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "display_name": "Subject 1 NG + 10 POM 1 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 1, "number_of_ng_s": 1, "static": false, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject1NG10POM1NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 690.1424999999999, "timing_breakdown": { "inversion_time": 519.2705, "total_time": 690.1424999999999, "inversion_overhead_percentage": 303.8944356009177, "forward_time": 170.87199999999999 }, "throughput": { "rows_per_second": 1925.7785682028925, "cells_per_second": 40441.34993226074 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/data.csv" ], "mapping_size_bytes": 3265, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 11, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_2/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "display_name": "Subject 1 NG + 10 POM 1 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "PARTIAL", "parameters": { "number_of_ng_pom": 1, "number_of_ng_s": 1, "static": false, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject1NG10POM1NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 686.2832, "timing_breakdown": { "inversion_time": 517.9619, "total_time": 686.2832, "inversion_overhead_percentage": 307.7221361764673, "forward_time": 168.32129999999998 }, "throughput": { "rows_per_second": 1930.6439334630597, "cells_per_second": 40543.52260272425 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/data/shared/data.csv" ], "mapping_size_bytes": 3265, "data_size_bytes": 235666890, "rdf_statements": 20000000, "source_rows": 1000000, "source_cells": 21000000, "triples_maps_count": 1, "predicate_object_maps_count": 10, "join_conditions_count": 0, "graph_maps_count": 11, "inversion_count": 1, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/forward/results/run_3/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_3/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_1SM-NG_1POM-NG_1TM_10POM_False/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_1SM-NG_1POM-NG_1TM_10POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_5SM-NG_5POM-NG_1TM_10POM_False": [ { "status": "completed", "scenario_name": "namedgraph_5SM-NG_5POM-NG_1TM_10POM_False", "display_name": "Subject 5 NG + 10 POM 5 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": 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"/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/namedgraph_10SM-NG_10POM-NG_1TM_10POM_False/backward/results/run_3/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "namedgraph_10SM-NG_10POM-NG_1TM_10POM_False", "validation_passed": true, "expected_outcome": "PARTIAL", "outcome": "PARTIAL", "checks": { "tables": true, "rdf_round_trip": true }, "missing_mapped_columns": {}, "source_tables": [ "data" ], "destination_tables": [ "data" ], "tables": { "data": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": true, "values": true, "multiplicities": true }, "losses": { "columns": [ "id", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 0, "values": false, "multiplicities": false }, "metrics": { "original_rows": 1000000, "reconstructed_rows": 1000000, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 3 } ], "namedgraph_15SM-NG_15POM-NG_1TM_10POM_False": [ { "status": "failed", "scenario_name": "namedgraph_15SM-NG_15POM-NG_1TM_10POM_False", "display_name": "Subject 15 NG + 10 POM 15 NG dynamic", "suite": "named-graphs", "generator": "NamedGraph", "expected_outcome": "AMBIGUOUS", "parameters": { "number_of_ng_pom": 15, "number_of_ng_s": 15, "static": false, "number_of_tms": 1, "number_of_poms": 10, "number_of_members": 1000000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql", "engine": "RMLMapper" }, "source_configuration": { "identifier": "http://example.com/new-rml-benchmark/namedgraphs#Subject15NG10POM15NGdynamic", "file": "data-generator/config/benchmark-namedgraph-rmlmapper.json", "overrides": {} }, "execution_time": 5144.3919, "failure": { "stage": "forward_mapping", "kind": "out_of_memory", "outcome": "OUT_OF_MEMORY", "message": "KROWN Executor RMLMapper step failed", "diagnostic": "[2026-07-29 03:34:36,611] ERROR Exception in thread \"main\" java.lang.OutOfMemoryError: Java heap space\n[2026-07-29 03:34:36,613] ERROR at be.ugent.rml.store.RDF4JStore.convertStringToTerm(RDF4JStore.java:357)\n[2026-07-29 03:34:36,614] ERROR at be.ugent.rml.store.RDF4JStore.getQuads(RDF4JStore.java:99)\n[2026-07-29 03:34:36,614] ERROR at be.ugent.rml.cli.Main.writeOutputTargets(Main.java:519)\n[2026-07-29 03:34:36,615] ERROR at be.ugent.rml.cli.Main.run(Main.java:459)\n[2026-07-29 03:34:36,615] ERROR at be.ugent.rml.cli.Main.main(Main.java:49)\n[2026-07-29 03:34:36,616] ERROR Command failed while waiting for exit with status code: 1\n[2026-07-29 03:34:36,617] ERROR Executing command \"execute_mapping\" failed for resource \"RMLMapper\"\n" }, "iteration": 1 } ], "joins_relations_1-1_50.0": [ { "status": "completed", "scenario_name": "joins_relations_1-1_50.0", "display_name": "1-1 relation", "suite": "joins", "generator": "JoinsRelation", "expected_outcome": "AMBIGUOUS", "parameters": { "percentage": 50.0, "n": 1, "m": 1, "number_of_members": 100000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql" }, "source_configuration": { "identifier": "http://example.com/kg-inversion-benchmark/postgresql#joins-relation-1-1", "file": null, "overrides": { "scenario": "documented KROWN scale absent from config" } }, "execution_time": 6010.5169, "timing_breakdown": { "forward_time": 5996.9692, "inversion_time": 13.5477, "total_time": 6010.5169, "inversion_overhead_percentage": 0.2259091142238983 }, "throughput": { "rows_per_second": 14762.653439329184, "cells_per_second": 310015.72222591285 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/data1.csv", "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/data2.csv" ], "mapping_size_bytes": 871, "data_size_bytes": 43046679, "rdf_statements": 124869, "source_rows": 200000, "source_cells": 4200000, "triples_maps_count": 2, "predicate_object_maps_count": 1, "join_conditions_count": 1, "graph_maps_count": 0, "inversion_count": 2, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/forward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/forward/results/run_1/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/backward/results/run_1/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/backward/results/run_1/case-info.txt", "step": 1 } } }, "validation_results": { "scenario": "joins_relations_1-1_50.0", "validation_passed": true, "expected_outcome": "AMBIGUOUS", "outcome": "AMBIGUOUS", "checks": { "tables": true, "rdf_round_trip": null }, "missing_mapped_columns": { "data1": [ "p1" ] }, "source_tables": [ "data1", "data2" ], "destination_tables": [ "data1", "data2" ], "tables": { "data1": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": false, "values": false, "multiplicities": false }, "losses": { "columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 24869, "values": true, "multiplicities": true }, "metrics": { "original_rows": 100000, "reconstructed_rows": 124869, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id" ] }, "exact": false, "partial_valid": true }, "data2": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": false, "values": false, "multiplicities": false }, "losses": { "columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 24869, "values": true, "multiplicities": true }, "metrics": { "original_rows": 100000, "reconstructed_rows": 124869, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 1 }, { "status": "completed", "scenario_name": "joins_relations_1-1_50.0", "display_name": "1-1 relation", "suite": "joins", "generator": "JoinsRelation", "expected_outcome": "AMBIGUOUS", "parameters": { "percentage": 50.0, "n": 1, "m": 1, "number_of_members": 100000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql" }, "source_configuration": { "identifier": "http://example.com/kg-inversion-benchmark/postgresql#joins-relation-1-1", "file": null, "overrides": { "scenario": "documented KROWN scale absent from config" } }, "execution_time": 6208.1197, "timing_breakdown": { "forward_time": 6196.5472, "inversion_time": 11.5725, "total_time": 6208.1197, "inversion_overhead_percentage": 0.18675723151112283 }, "throughput": { "rows_per_second": 17282.350399654355, "cells_per_second": 362929.3583927414 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/mapping.r2rml.ttl", "data_files": [ "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/data1.csv", "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/data2.csv" ], "mapping_size_bytes": 871, "data_size_bytes": 43046679, "rdf_statements": 124869, "source_rows": 200000, "source_cells": 4200000, "triples_maps_count": 2, "predicate_object_maps_count": 1, "join_conditions_count": 1, "graph_maps_count": 0, "inversion_count": 2, "metrics": { "scope": "system", "stages": { "forward": { "executor": "KROWN Executor", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/forward/results/run_2/metrics.csv", "case_info_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/forward/results/run_2/case-info.txt", "step": 2 }, "backward": { "executor": "local inversion", "metrics_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/results/krown_1785061943_roundtrip_kgi/joins_relations_1-1_50.0/backward/results/run_2/metrics.csv", "case_info_file": 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"original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id" ] }, "exact": false, "partial_valid": true }, "data2": { "checks": { "column_subset": true, "no_foreign_values": true, "columns": false, "rows": false, "values": false, "multiplicities": false }, "losses": { "columns": [ "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "rows": 0, "additional_rows": 24869, "values": true, "multiplicities": true }, "metrics": { "original_rows": 100000, "reconstructed_rows": 124869, "original_columns": [ "id", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "p16", "p17", "p18", "p19", "p20" ], "reconstructed_columns": [ "id" ] }, "exact": false, "partial_valid": true } }, "errors": [] }, "iteration": 2 }, { "status": "completed", "scenario_name": "joins_relations_1-1_50.0", "display_name": "1-1 relation", "suite": "joins", "generator": "JoinsRelation", "expected_outcome": "AMBIGUOUS", "parameters": { "percentage": 50.0, "n": 1, "m": 1, "number_of_members": 100000, "number_of_properties": 20, "value_size": 0, "data_format": "postgresql" }, "source_configuration": { "identifier": "http://example.com/kg-inversion-benchmark/postgresql#joins-relation-1-1", "file": null, "overrides": { "scenario": "documented KROWN scale absent from config" } }, "execution_time": 6268.1447, "timing_breakdown": { "forward_time": 6256.1914, "inversion_time": 11.9533, "total_time": 6268.1447, "inversion_overhead_percentage": 0.1910635278837537 }, "throughput": { "rows_per_second": 16731.781181765706, "cells_per_second": 351367.4048170798 }, "mapping_file": "/mnt/arcangelo/repositories/knowledge-graphs-inversion/benchmarks/krown/scenarios/RMLMapper/postgresql/joins_relations_1-1_50.0/data/shared/mapping.r2rml.ttl", "data_files": [ 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