Publication of the SPARQL 1.1 2nd Last Call Working Drafts

Posted on January 6, 2012 by Ivan Herman

The W3C SPARQL Working Group has published the (second) Last Call Working Drafts of the following SPARQL 1.1 documents:

  • SPARQL 1.1 Update defines an update language for RDF graphs.
  • SPARQL 1.1 Service Description defines a vocabulary and discovery mechanism for describing the capabilities of a SPARQL endpoint.
  • SPARQL 1.1 Query Language adds support for aggregates, subqueries, projected expressions, and negation to the SPARQL query language.
  • SPARQL 1.1 Protocol describes a means for conveying SPARQL queries and updates to a SPARQL processing service and returning the results via HTTP to the entity that requested them.
  • SPARQL 1.1 Entailment Regimes defines conditions under which SPARQL queries can be used with entailment regimes such as RDF, RDF Schema, OWL, or RIF.

Review comments are welcome through 6 February; please use the dedicated mailing list: public-sparql-dev@w3.org.

About Ivan Herman

Ivan Herman is the Semantic Web Activity Lead at W3C. He graduated as a mathematician at the Eötvös Loránd University of Budapest, Hungary, in 1979. After a brief scholarship at the Université Paris VI he joined the Hungarian research institute in computer science (SZTAKI) where he worked for 6 years. He left Hungary in 1986 and, after a few years in industry, he joined the Centre for Mathematics and Computer Sciences (CWI) in Amsterdam where he has held a tenure position since 1988. He received a PhD degree in Computer Science in 1990 at the Leiden University, in the Netherlands. Ivan joined the W3C team as Head of Offices in January 2001 while maintaining his position at CWI. He served as Head of Offices until June 2006, when he was asked to take the Semantic Web Activity Lead position.

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