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RDF

  • 8.

    type

  • 9.

    format

  • 10.

    identifier

  • 11.

    source

  • 12.

    language

  • 13.

    relation

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coverage

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rights

By incorporating an RDF document type declaration as well as the RDF and Dublin Core name spaces into an XML document, it is possible to describe content residing at remote URLs in a standardized way. The valid RDF file below describes three websites using a few Dublin Core elements for the name/ value pairs. Once you get past the document type declaration and namespace definitions, the only con- fusing part of the file is the rdf:Bag element. This particular element is intended to include lists of simil- ar items. In this case, a list of subject terms.

<?xml version="1.0"?> <!DOCTYPE rdf:RDF PUBLIC "-//DUBLIN CORE//DCMES DTD 2002/07/31//EN"

"http://dublincore.org/documents/2002/07/31/dcmes-xml/dcmes-xml-dtd.dtd"> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

xmlns:dc="http://purl.org/dc/elements/1.1/">

<rdf:Description rdf:about="http://www.AcronymFinder.com/"> <dc:title>Acronym Finder</dc:title> <dc:description>The Acronym Finder is a world wide web (WWW) searchable database of more than 169,000 abbreviations and acronyms about computers, technology, telecommunications, and military acronyms and abbreviations.</dc:description> <dc:subject> <rdf:Bag> <rdf:li>Astronomy</rdf:li> <rdf:li>Literature</rdf:li> <rdf:li>Mathematics</rdf:li> <rdf:li>Music</rdf:li> <rdf:li>Philosophy</rdf:li> </rdf:Bag> </dc:subject> </rdf:Description>

<rdf:Description rdf:about="http://dewey.library.nd.edu/eresources/astronomy.html <dc:title>All Astronomy resources</dc:title> <dc:description>This is a list of all the astronomy resources in the system.</dc:description> <dc:subject> <rdf:Bag> <rdf:li>Astronomy</rdf:li> <rdf:li>Mathematics</rdf:li> </rdf:Bag> </dc:subject> </rdf:Description>

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