Resource Description Framework

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Resource Description Framework (RDF) is a language built on XML that enables the expression of statements using properties and attributes. These properties and attributes are defined in RDF Schema. For example, to say " is in a language that is English", I would need the property "language" defined by some RDF Schema. The Dublin Core Metadata Initiative (DCMI) provides us with this definition here. Furthermore, this statement would look like the following bit of RDF code:

    <rdf:Description rdf:about="">

RDF and RDF-S became W3C recommendations in February and March, 1999. Since then, RDF has undergone renovation (most notably the updated 2004 recommendation) and is still actively developed and widely used today. RSS and Adobe's XMP Metadata are two popular, commercialized uses of RDF, not to mention several semantic web products from MIT's Simile project.

See also