SPARQL Protocol and RDF Query Language
Definition: The SPARQL Protocol and RDF Query Language (SPARQL) is a query language and protocol for RDF.
Reference Definition: SPARQL (pronounced "sparkle") is an RDF query language, which was made a standard by the RDF Data Access Working Group (DAWG) of the World Wide Web Consortium. SPARQL allows for a query to consist of triple patterns, conjunctions, disjunctions, and optional patterns (Wikipedia)
Instance of: Formal Language
Instance of: Standard or Specification