Knowledge Graphs Inversion
Reverse R2RML and RML mappings to reconstruct relational data from RDF knowledge graphs.
What does it do?
Section titled “What does it do?”R2RML and RML transform relational databases into RDF graphs. This tool does the opposite: given an RDF graph and the mapping that produced it, it reconstructs the original relational data.
The tool reads the mapping document, generates SPARQL queries that reverse each mapping rule, and executes them against the RDF graph (N-Triples or N-Quads). The query results are then written back as SQL statements that reconstruct the original database tables.