Last Call: SPARQL 1.1 Query Language

24 July 2012
The SPARQL Working Group has published a Last Call Working Draft of SPARQL 1.1 Query Language. RDF is a directed, labeled graph data format for representing information in the Web. This specification defines the syntax and semantics of the SPARQL query language for RDF. SPARQL can be used to express queries across diverse data sources, whether the data is stored natively as RDF or viewed as RDF via middleware. SPARQL contains capabilities for querying required and optional graph patterns along with their conjunctions and disjunctions. SPARQL also supports aggregation, subqueries, negation, creating values by expressions, extensible value testing, and constraining queries by source RDF graph. The results of SPARQL queries can be result sets or RDF graphs. Comments are welcome through 21 August. Learn more about the Semantic Web Activity.

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