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Mon, Sep 28, 2020
Hactoberfest 2020

Hacktoberfest is a yearly event, a celebration of open source software, put together by DigitalOcean, to encourage people to start contributing to open source software. We would like to encourage you to sign up and take part!


Fri, Sep 25, 2020

RDF4J 3.4.2 is now available. This is a patch release fixing 4 issues, including a bug in geospatial indexing in the LuceneSail, and several problems in handling RDF* data from external sources.

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


Thu, Sep 17, 2020

RDF4J 3.4.1 is now available. This is a patch release fixing 7 issues, including a problem in handling of collection shorthand syntax in the Turtle writer.

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


Tue, Aug 25, 2020

We are pleased to announce the release of RDF4J 3.4.0. This is a minor release with improvements in RDF* and SPARQL* support, and several bug fixes.

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


Fri, Aug 7, 2020

RDF4J 3.3.1 is now available. This is a patch release fixing two issues, including a problem in blank node inlining in the Turtle writer.

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


Fri, Jul 24, 2020

We are very pleased to announce that RDF4J 3.3.0 is now available. RDF4J 3.3.0 is a minor release with over 30 issues fixed, including several major new features and improvements. Some of the highlights:

  • Per-transaction configuration settings
  • More powerful SPARQL functions
  • Many new SHACL features
  • RDF Containers support
  • Java 13 and 14 support
  • Many more features, bug fixes and performance improvements

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


Tue, Jul 14, 2020

The second milestone build of the upcoming 3.3.0 release of RDF4J is now available for download.

RDF4J 3.3.0 is a minor release with a number of new features and improvements. Some of the highlights:

  • Elasticsearch, Lucene and Solr upgrades
  • Java 14 support
  • SHACL improvements
  • Performance improvements

This second 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.


Fri, Jul 10, 2020

Gitter

We are trying out a new way for you to get support, provide feedback and otherwise discuss anything related to RDF technologies in general, and RDF4J in particular: Gitter.

Gitter is an open-source instant messaging and chat room system. We have a Gitter room dedicated to RDF4J at https://gitter.im/eclipse/rdf4j where everybody is welcome to join.


Thu, Jul 2, 2020

We are pleased to announce the release of RDF4J 3.2.3. This is a patch release fixing several issues in the Rio Turtle parser and in handling of path expressions in the SPARQL engine.

See the release notes for more details.


Tue, Jun 23, 2020

The first milestone build of the upcoming 3.3.0 release of RDF4J is now available for download.

RDF4J 3.3.0 is a minor release with a number of new features and improvements. Some of the highlights:

  • Elasticsearch, Lucene and Solr upgrades
  • Java 13 support
  • SHACL improvements
  • Performance improvements

This first 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.


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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