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DC-Text: a simple text-based format for DC metadata

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A description of DC-Text, a text format for the representation of DC metadata description sets. Short paper presented to DC-2006 Conference, Manzanillo, Colima, Mexico on 3 October 2006.

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DC-Text: a simple text-based format for DC metadata DC-2006: Metadata for Knowledge & Learning, Manzanillo, Mexico
DC-Text: a text format for DC metadata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why DC-Text? Context & Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DCAM Description Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Resource URI Property URI Rich representation Property URI Value URI Vocab Enc Scheme URI Property URI Value string Syntax Enc Scheme URI Value string Syntax Enc Scheme URI Resource URI Property URI Rich representation Property URI Value URI Vocab Enc Scheme URI Property URI Value string Syntax Enc Scheme URI Statement Description Description Set
Why DC-Text? Context & Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Design Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DC-Text: Syntactic Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],label ( label ( content ) label ( label ( content ) ) ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DescriptionSet ( Description ( ResourceURI ( <http://example.org/page/home> ) Statement ( PropertyURI ( <http://purl.org/dc/elements/1.1/title> ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( <http://purl.org/dc/elements/1.1/creator> ) ValueURI ( <http://example.org/person/fred> ) ) ) Description ( ResourceURI ( <http://example.org/person/fred> ) Statement ( PropertyURI ( <http://xmlns.com/foaf/0.1/knows> ) ValueURI ( <http://example.org/person/tom> ) ) ) )
@prefix dc <http://purl.org/dc/elements/1.1/> . @prefix foaf <http://xmlns.com/foaf/0.1/> . @prefix page <http://example.org/page/> . @prefix person <http://example.org/person/> . DescriptionSet ( Description ( ResourceURI ( page:home ) Statement ( PropertyURI ( dc:title ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( dc:creator ) ValueURI ( person:fred ) ) ) Description ( ResourceURI ( person:fred ) Statement ( PropertyURI ( foaf:knows ) ValueURI ( person:tom ) ) ) ) URIs abbreviated as Qualified Names http://example.org/person/fred
@prefix dc <http://purl.org/dc/elements/1.1/> . @prefix foaf <http://xmlns.com/foaf/0.1/> . @prefix page <http://example.org/page/> . DescriptionSet ( Description ( ResourceURI ( page:home ) Statement ( PropertyURI ( dc:title ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( dc:creator ) DescriptionRef ( fred ) ) ) Description ( DescriptionId ( fred ) Statement ( PropertyURI ( foaf:mbox ) ValueURI ( <mailto:fred@example.org> ) ) ) ) (“Related”) description of value linked by id/idref
Some reflections, issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DC-Text: a simple text-based format for DC metadata DC-2006: Metadata for Knowledge & Learning, Manzanillo, Mexico

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DC-Text: a simple text-based format for DC metadata

  • 1. DC-Text: a simple text-based format for DC metadata DC-2006: Metadata for Knowledge & Learning, Manzanillo, Mexico
  • 2.
  • 3.
  • 4.
  • 5. Resource URI Property URI Rich representation Property URI Value URI Vocab Enc Scheme URI Property URI Value string Syntax Enc Scheme URI Value string Syntax Enc Scheme URI Resource URI Property URI Rich representation Property URI Value URI Vocab Enc Scheme URI Property URI Value string Syntax Enc Scheme URI Statement Description Description Set
  • 6.
  • 7.
  • 8.
  • 9. DescriptionSet ( Description ( ResourceURI ( <http://example.org/page/home> ) Statement ( PropertyURI ( <http://purl.org/dc/elements/1.1/title> ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( <http://purl.org/dc/elements/1.1/creator> ) ValueURI ( <http://example.org/person/fred> ) ) ) Description ( ResourceURI ( <http://example.org/person/fred> ) Statement ( PropertyURI ( <http://xmlns.com/foaf/0.1/knows> ) ValueURI ( <http://example.org/person/tom> ) ) ) )
  • 10. @prefix dc <http://purl.org/dc/elements/1.1/> . @prefix foaf <http://xmlns.com/foaf/0.1/> . @prefix page <http://example.org/page/> . @prefix person <http://example.org/person/> . DescriptionSet ( Description ( ResourceURI ( page:home ) Statement ( PropertyURI ( dc:title ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( dc:creator ) ValueURI ( person:fred ) ) ) Description ( ResourceURI ( person:fred ) Statement ( PropertyURI ( foaf:knows ) ValueURI ( person:tom ) ) ) ) URIs abbreviated as Qualified Names http://example.org/person/fred
  • 11. @prefix dc <http://purl.org/dc/elements/1.1/> . @prefix foaf <http://xmlns.com/foaf/0.1/> . @prefix page <http://example.org/page/> . DescriptionSet ( Description ( ResourceURI ( page:home ) Statement ( PropertyURI ( dc:title ) ValueString ( “My Home Page” Language ( en ) ) ) Statement ( PropertyURI ( dc:creator ) DescriptionRef ( fred ) ) ) Description ( DescriptionId ( fred ) Statement ( PropertyURI ( foaf:mbox ) ValueURI ( <mailto:fred@example.org> ) ) ) ) (“Related”) description of value linked by id/idref
  • 12.
  • 13. DC-Text: a simple text-based format for DC metadata DC-2006: Metadata for Knowledge & Learning, Manzanillo, Mexico

Notes de l'éditeur

  1. Eduserv Foundation established in July 2003 mission to support the effective application of information and communication technology in education largely achieved thru external grant making activities to date desire to develop in-house resource, developing standards, specifications, demonstrators – software and services