Announcing v0.9.4 of ARQ, a query processor for Jena that implements SPARQL.

    http://prdownloads.sourceforge.net/jena/ARQ-0.9.4.zip

Also available via anonymous CVS:
cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/jena co ARQ

SPARQL is described in:
  http://www.w3.org/TR/rdf-sparql-query/

but this release of SPARQL in ARQ uses the newer syntax.

Status
------

This release is up to date with the current editors' draft
  http://www.w3.org/2001/sw/DataAccess/rq23/

** The syntax of triple patterns has changed to be N3/Turtle-like.
** This is different to the published working draft.

To aid migration, the old syntax is available as "sparql-alt" to the command line tools.
In particular:

  java -cp ... arq.qparse --in spaarql-alt --query FILE

will attempt to convert a query from old syntax to new syntax.  Some
constraints are not converted properly and will need further processing.

There are other changes:
* Regular expressions no longer uses =~ but
  uses regex(?x , "foo.*bar", "i")
* Use "=", not "==" or "eq"
* SPARQL has no FROM/WITH


See ChangeLog.txt for more details.

ARQ Language
------------

The ARQ language has been made closer to SPARQL.  It is currently SPARQL
with additons of "UNSAID", "FROM" (load into background graph) and 
"FROM NAMED" (load named graph).

Online demo
-----------

http://www.sparql.org/query.html

Support and Questions
---------------------

Comments on SPARQL to the public comments list:
    public-rdf-dawg-comments@w3.org

Comments and questions about ARQ to the Jena mailing list 
    jena-dev@groups.yahoo.com