31. SPARQL has emerged as the standard RDF query language , and in 2008 became a W3C recommendation. 32. The Contextual Query Language ( formerly called the Common Query Language ) is based on Z39.50 semantics. 33. The Contextual Query Language ( formerly called the Common Query Language ) is based on Z39.50 semantics. 34. RDF query languages can be grouped into language families, each family comprising a set of closely related languages. 35. Much like a relational database, one stores information in a triplestore and retrieves it via a query language . 36. The following table shows the usage of the query language in the context of an access control matrix. 37. Java Persistence Query Language could be merged into talk ) 10 : 28, 6 February 2011 ( UTC) 38. A comparison to other BigData query languages like Hive QL illustrates performance and usability aspects of these technologies. 39. Searching corpora indexed by Manatee is performed by formulating queries in the Corpus Query Language ( CQL ). 40. Since the calculus is a query language for relational databases we first have to define a relational database.
