rdflib-sqlalchemy is a SQLAlchemy rdflib graph store backend: https://github.com... | Hacker News

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		westurner on Dec 27, 2020 \| parent \| context \| favorite \| on: Show HN: Simple-graph – a graph database in SQLite rdflib-sqlalchemy is a SQLAlchemy rdflib graph store backend: https://github.com/RDFLib/rdflib-sqlalchemy It also persists namespace mappings so that e.g. schema:Thing expands to http://schema.org/Thing The table schema and indices are defined in rdflib_sqlalchemy/tables.py: https://github.com/RDFLib/rdflib-sqlalchemy/blob/develop/rdf... You can execute SPARQL queries against SQL, but most native triplestores will have a better query plan and/or better performance. Apache Rya, for example: > indexes SPO, POS, and OSP.

mark_l_watson on Dec 27, 2020 [–]

Thanks for your comment. I use rdflib frequently but have never tried the SQLAlchemy back end. Now I will. That said, Jena or Fuseki, or the commercial RDF stores like GraphDB, Stardog, and Allegrograph are so much more efficient.

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