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Date added 3 November 2006
Last edited 17 November 2009

Full Title

Resource Description Framework


Resource Description Framework (RDF) is a language for representing metadata, about Web resources or identifying things in the World Wide Web. It is a machine processable interoperable language, enabling data to be modelled so that information can be readily exchanged between applications. Designed as a metadata model, it is usually expressed in XML, and is a major component of the developing semantic web, where the meaning of information and services on the web is defined. An RDF statement is based on triples so that the relationships between things being described are defined through 3 properties: the subject, the predicate and the object. This enables searches on the Web to be more meaningfully fulfilled.

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Standard Framework

Digital Archive Standards

Standard Type

XML DTD and Schema

Current Version

Further Information

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Referenced Standards

IETF RFC 2119 - Key words for use in RFCs to Indicate Requirement Levels
W3C: 1999, Namespaces in XML
W3C: 2002, Exclusive XML Canonicalization Version 1.0
Extensible Markup Language (XML) 1.0
IANA MIME Media Types
IETF RFC 2396 - Uniform Resource Identifiers (URI): Generic Syntax
IETF RFC 3023 - XML Media Types
Unicode Standard Annex #15
Unicode Standard, Version 3
W3C: 1999, Resource Description Framework (RDF) Model and Syntax
W3C: 2001, XML Base
W3C: 2004, RDF Semantics
W3C: 2004, Resource Description Framework (RDF): Concepts and Abstract Syntax