ARQ - A SPARQL Processor for Jena

ARQ is a query engine for Jena that supports SPARQL, the query language being developed by the W3C RDF Data Access Working Group.

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ARQ supports SPARQL, the query language being developed by the RDF Data Access Working Group.

Languages supported by ARQ:

• SPARQL
• ARQ, the engine's own language (access to experimental features)
• RDQL

Extensions supported:

• UNSAID - test to see whether a graph pattern is not present in the target data

Online Demo

Online Query Form for experimenting with SPARQL queries.

Resources

• ARQ Home Page
• ARQ Documentation

• SPARQL working draft
• XML Result Set format
• Turtle - a non-XML RDF serialization
• Online Query Form for experimenting with SPARQL queries.
• Joseki - the Jena RDF publishing server, provides the SPARQL protocol
• List of other SPARQL implementations
• List of other SPARQL demos

Contact and Support

Questions to the Jena mailing list <mailto:jena-dev@groups.yahoo.com>

Author: Andy Seaborne