Apache Jena

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Jena, a Java RDF API and toolkit

Name of the tool: Jena, a Java RDF API and toolkit
Home page: http://openjena.org
Date of latest release: 2012-03-22 (verify)
Programming language(s) that can be used with the tool: Java
Relevant semantic web technologies: RDF, RDFS, SPARQL, OWL, GRDDL
Categories: Triple Store, Programming Environment, Reasoner, Rule Reasoner, OWL Reasoner, RDFS Reasoner
See also: http://semanticweb.org/wiki/Jena
Public mailing list: http://groups.yahoo.com/group/jena-dev
Preferred project URI:
DOAP reference:
Company or institution:

(Tool description last modified on 2012-04-20.)

Description

Jena, a Java RDF API and toolkit is a Java framework to construct Semantic Web Applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL, GRDDL, and includes a rule-based inference engine.

TDB provides a lightweight, scalable non-transactional storage and SPARQL query layer.

SDB is a SPARQL database subsystem for Jena. It provides for large scale storage and query of RDF data sets using conventional SQL databases. The database tools for load balancing, security, clustering, backup and administration can all be used to manage the installation. It offers an RDF Triple Store facility with SPARQL interface on top of other database systems.

Joseki is a SPARQL server based on Jena.

See the Jena discussion list for more information.