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RDF4J 3.4.0 is a minor release with improvements in RDF* and SPARQL* support, and several bug fixes.

Some highlights:

  • the SPARQL Query Results JSON parser has been extended to be able to process JSON query results with RDF* from Jena-based or Stardog-based endpoints;
  • Query results writers are now configurable to send base64-encoded RDF* triples or using extended format;
  • a bug in processing of SPARQL* update operations has been fixed;
  • rdf4j:nil is the new virtual graph name for the default graph (replacing sesame:nil).

For a complete overview, see all issues fixed in 3.4.0.


This release was made possible by contributions from Damyan Ognyanov, Håvard M. Ottestad and Jeen Broekstra.


Eclipse RDF4J™ is a powerful Java framework for processing and handling RDF data. This includes creating, parsing, scalable storage, reasoning and querying with RDF and Linked Data. It offers an easy-to-use API that can be connected to all leading RDF database solutions. It allows you to connect with SPARQL endpoints and create applications that leverage the power of linked data and Semantic Web.

RDF4J Architecture

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