A Java framework for building Semantic Web and Linked Data applications

Joined March 2015
Apache Jena 5.4.0 released! lists.apache.org/thread/j8qx… Includes a preview of support for RDF 1.2 and SPARQL 1.2.
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Apache Jena 5.3.0 released! lists.apache.org/thread/4gk0… Modular Fuseki server; preview of new IRI provider.
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Apache Jena 5.2.0 released! lists.apache.org/thread/ynf7… Includes experimental support for CDT (Composite Datatype Literals) github.com/w3c/sparql-dev/bl…
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Apache Jena 5.1.0 released! lists.apache.org/thread/hx8z… Support working with OWL2
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New blog post on querying and transforming relational databases with a graph query language: github.com/justin2004/weblog… #RDF #SPARQL #RDB #semanticweb using: @ApacheJena + SPARQL Anything
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Release: Apache Jena 4.7.0 lists.apache.org/thread/2flk… This release includes experimental LATERAL join. It also includes RDF patch.
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Apache Jena retweeted
Why did nobody tell me about riot, a real swiss army knife hidden in @ApacheJena ? Many helpful things for parsing RDF.
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#PRISMS is fast approaching end of beta — we have adopted @ApacheJena as our new triplestore, have enabled bulk download of user contributions, and are currently configuring the #SPARQL query service and frontend: prisms.digital/ #DSE #OpenScholarship #LOD #SemanticWeb
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Release: Apache Jena 4.6.1 : lists.apache.org/thread/vrkn… This is a bug-fix release.
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My colleagues yesterday: It's not feasible to extend #sparql to support #clustering of spatial data e.g. using #dbscan Me: Hold my beer. #ApacheJena's #serviceenhancer plugin plus my own for #arrays, #sets and #dbscan. Triply's #yasgui (yasgui.triply.cc/) as the frontend.
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Release: Apache Jena 4.6.0 : lists.apache.org/thread/63vt…. including caching and execution control for SERVICE. jena.apache.org/documentatio…
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Nice description of recent cool Jena extensions from @kurt_cagle datasciencecentral.com/sparq…
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Massive update on the SPARQL service @swiss_geoportal, now includes buildings & streets (with geometry!) and bathing water quality. That will be super useful to interlink to 🎉 GeoSPARQL powered by @ApacheJena Fuseki, mapping by @ontop4obda
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