RDF query language

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A RDF query language is a computer language able to retrieve and manipulate data stored in Resource Description Framework format.

SPARQL is emerging as the de-facto RDF query language, and is on the track towards W3C Recommendation status. Released as a Candidate Recommendation in April 2006, it returned to Working Draft status in October 2006, due to open issues.

[edit] Other RDF query languages

  • DQL, XML-based, queries and results expressed in DAML+OIL
  • N3QL, based on Notation 3
  • R-DEVICE
  • RDFQ, XML-based
  • RDQ, SQL-like
  • RDQL, SQL-like
  • RQL, SQL-like
  • SeRQL, SQL-like, similar to RDQL
  • Versa, compact syntax (non–SQL-like), solely implemented in 4Suite (Python)
  • XUL has a template element in which to declare rules for matching data in RDF. XUL uses RDF extensively for databinding.
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