# ARQ - A SPARQL Processor for Jena

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

ARQ Features:

- Multiple query languages:
  - SPARQL
  - RDQL
  - ARQ, the engine's own language (access to experimental features)
- Multiple query engines:
  - General purpose engine
  - Remote access engines
  - Rewriter to SQL

## Online Demo

Online Query Form for experimenting with SPARQL queries.

## See Also

Joseki - a SPARQL query server, using ARQ and the SPARQL protocol.