SPARQL 1.1 Query Language

Steve Harris, Andy Seaborne

Steve Harris, Andy Seaborne, SPARQL 1.1 Query Language, World Wide Web Consortium, Working Draft WD-sparql11-query-20101014, October 2010.

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, creating values by complex expressions, extensible value testing, and constraining queries by source RDF graph. The results of SPARQL queries can be results sets or RDF graphs.

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