Currently neo4j-rdf (and inherently neo4j-rdf-sail) doesn't support blank nodes. You could perhaps make up blank node URIs to represent blank nodes... and even try to put that into the neo4j-rdf component (or some other solution) if you feel that you have the time for it!
2010/12/2 Prasad Kulkarni <[email protected]> > Do we blank nodes in neo4j-rdf/neo4j-rdf-sail ? > > I create a sail following the instructions on the > http://components.neo4j.org/neo4j-rdf-sail/ > and tried to load some RDF data in, got the following exception: > > java.lang.UnsupportedOperationException: Nodes without URIs (e.g. Blank > Nodes) not supported at the moment: > AbstractNode[value=BlankNode[node15ijs4993x1], > key=BlankNode[node15ijs4993x1]] > at > > org.neo4j.rdf.store.representation.standard.AbstractUriBasedExecutor.lookupNode(AbstractUriBasedExecutor.java:166) > at > > org.neo4j.rdf.store.representation.standard.AbstractUriBasedExecutor.lookupOrCreateNode(AbstractUriBasedExecutor.java:177) > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > -- Mattias Persson, [[email protected]] Hacker, Neo Technology www.neotechnology.com _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
