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Turtle (Terse RDF Triple Language) is a format for expressing data in the Resource Description Framework (RDF) data model with the syntax similar to SPARQL. RDF, in turn, represents information using "triples", each of which consists of a subject, a predicate, and an object. Each of those items is expressed as a Web URI. Turtle provides a way to group three URIs to make a triple, and provides ways to abbreviate such information, for example by factoring out common portions of URIs. For example: <http://example.org/relation/author> <http://example.org/books/Huckleberry_Finn> . ==History== Turtle was defined by Dave Beckett as a subset of Tim Berners-Lee and Dan Connolly's Notation3 (N3) language, and a superset of the minimal N-Triples format. Unlike full N3, which has an expressive power that goes much beyond RDF, Turtle can only serialize valid RDF graphs. Turtle is an alternative to RDF/XML, the originally unique syntax and standard for writing RDF. As opposed to RDF/XML, Turtle does not rely on XML and is generally recognized as being more readable and easier to edit manually than its XML counterpart. SPARQL, the query language for RDF, uses a syntax similar to Turtle for expressing query patterns. In 2011, a working group of the World Wide Web Consortium (W3C) started working on an updated version of RDF, which is intended to be published along with a standardised version of Turtle. This working group published the new Turtle specification as a Last Call Working Draft on 10 July 2012. A significant proportion of RDF toolkits include Turtle parsing and serializing capability. Some examples are Redland, Sesame, Jena and RDFLib. Support for this format is likely to increase further when it becomes a W3C recommendation since it is part of W3C's process to call for implementations before ratification of the standard. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turtle (syntax)」の詳細全文を読む スポンサード リンク
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