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Sun, Mar 27, 2022

RDF4J 3.7.6 is now available. This is a patch release fixing 4 bugs.

For more details, have a look at the release notes.



Sun, Mar 6, 2022

RDF4J 3.7.5 is now available. This is a patch release fixing 14 bugs.

For more details, have a look at the release notes.



Sun, Jan 23, 2022

Milestone number 2 of the upcoming 4.0.0 release of RDF4J is now available for download.

RDF4J 4.0.0 is a major release of the RDF4J framework, focusing on improved performance and improved maintainability. We’ve done a massive clean up of the project structure, which is intended to make it easier to deliver new features in this and future releases.

Some of the highlights covered in this second milestone:

  • the LMDB Store, a new persistent embedded RDF Store based on the Lightning Memory-Mapped Database (LMDB) - see the documentation for details
  • massive improvements in (concurrent) performance of various aspects of the framework, including the memory store, the SPARQL and SHACL engine, and more
  • more cleanups of deprecated code

For more details see the release notes.



Sun, Nov 28, 2021

Milestone number 1 of the upcoming 4.0.0 release of RDF4J is now available for download.

RDF4J 4.0.0 is a major release of the RDF4J framework, focusing on improved performance and improved maintainability. We’ve done a massive clean up of the project structure, which is intended to make it easier to deliver new features in this and future releases.

Some of the highlights covered in this first milestone:

  • update to Java 11 as the minimally-required version of Java
  • improvements in the SparqlBuilder
  • performance improvements in the SPARQL query engine
  • performance improvements in the SHACL engine
  • improved support for working with RDF4J in Spring and Spring Boot applications
  • SeRQL and SPIN are no longer supported
  • removal of several long-deprecated packages and interfaces

This milestone build is not yet feature-complete, but we are putting it out to receive early feedback on all the improvements we have put in.



Sat, Nov 13, 2021

RDF4J 3.7.4 is now available. This is a patch release fixing 5 bugs.

For more details, have a look at the release notes.



Sun, Sep 19, 2021

RDF4J 3.7.3 is now available. This is a patch release fixing 7 bugs, including a number of security vulnerabilities in third-party dependencies, and a performance fix in the handling of SPARQL UNION queries.

For more details, have a look at the release notes.



Wed, Aug 4, 2021

RDF4J 3.7.2 is now available. This is a patch release fixing 24 bugs, including fixes to the ShaclSail and FedX.

For more details, have a look at the release notes.



Sat, Jun 19, 2021

RDF4J 3.7.1 is now available. This is a patch release fixing 12 bugs, including several issues in the SHACL Sail and the SPARQL engine.

For more details, have a look at the release notes.



Thu, May 27, 2021

We are pleased to announce that RDF4J 3.7.0 is now available. This is a minor release with about 22 improvements and bug fixes.

For full details, have a look at the release notes. Below, we briefly summarize some of the highlights.



Sat, Apr 24, 2021

RDF4J 3.6.3 is now available. This is a patch release fixing 10 bugs.

For more details, have a look at the release notes.



About

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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