The SPARQL Query Language for RDF W3C Working Draft 2005-02-17 was just published by the RDF Data Access Working Group (DAWG). Lots of work went into this 2nd WD especially by the editors - congratulations. So what's changed? Various things around syntax and some more core bits of the design were decided after our recent DAWG meeting in Helsinki. The
you query against now uses
WITH instead of
SOURCE is now
in querying. The testing
several new RDF-specific builtins
DATATYPE() and also describes the
imported types and operations from XML Query Functions and Operators
on string, double, float, decimal, integer and dateTime.
There are of course, many other changes.
I'm not an editor so just cheered from the sidelines
and did a little updating of my
Rasqal RDF query demo
to catch up with earlier work (using Redland's
It now does
results, can give you RDF/XML, XML variable bindings syntax results
I also added the SPARQL special builtins listed above.