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 stor

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.