skos : a language to describe simple knowledge structures for the web
DESCRIPTION
SKOS : A language to describe simple knowledge structures for the web. 2008. 11. 19 W3C Semantic Web Working Group Summarized by Gihyun Gong. About SKOS. SKOS means ‘Simple knowledge organization System’ Developed by W3C’s Semantic Web Best Practices-WG Started in 2004/02 - PowerPoint PPT PresentationTRANSCRIPT
SKOS : A language to describe simple knowledge structures for the web
2008. 11. 19W3C Semantic Web Working Group
Summarized by Gihyun Gong
Copyright 2008 by CEBT
About SKOS
SKOS means ‘Simple knowledge organization System’
Developed by W3C’s Semantic Web Best Practices-WG
Started in 2004/02
First Working Draft Edition in 2005
First Public Working Draft Edition in 2008/01/25
Copyright 2008 by CEBT
Introduction
What is SKOS?
SKOS is a model for expressing knowledge organization sys-tems in a machine-understandable way
Set of classes and properties to describe concept
Goal
– To link RDF documents or merge with other RDF data
Applicable fields?
Thesaurus, Dictionaries, Classification Scheme
Ontology merging, Construct new domain ontology
Copyright 2008 by CEBT
Introduction
Copyright 2008 by CEBT
SKOS example 1
<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:skos="http://www.w3.org/2004/02/skos/core#"><skos:Concept rdf:about="http://www.example.com/concepts#animals"><skos:prefLabel>animals</skos:prefLabel><skos:altLabel>creatures</skos:altLabel><skos:altLabel>fauna</skos:altLabel></skos:Concept></rdf:RDF>
Copyright 2008 by CEBT
SKOS example 2
An extract from the UK Archival Thesaurus
Term:Economic cooperation
Used For:Economic co-operation
Broader terms:Economic policy
Narrower terms:Economic integrationEuropean economic cooperationEuropean industrial cooperationIndustrial cooperation
Related terms:Interdependence
Scope Note:Includes cooperative measures in banking, trade,industry etc., between and among countries.
Copyright 2008 by CEBT
SKOS example 2
RDF graph using the SKOS
Copyright 2008 by CEBT
SKOS Vocabularies
skos:Concept
skos:prefLabel
skos:altLabel
skos:hiddenLabel
skos:altSymbol
skos:note (human-readable documentation)
skos:definition
skos:scopeNote
skos:example
skos:historyNote : give an instruction or useful information
skos:editorialNote : administrative documentation
skos:changeNote : change log of concept
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SKOS Vocabularies : relationships
skos:semanticRelation
skos:broader
skos:narrower
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SKOS Vocabularies : relationships
skos:related
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SKOS Vocabularies : Collection
skos:Collection
skos:member
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Use Case : FOAF
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Use Case : SIOC+FOAF+SKOS
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Use Case : Folksonomy
Folksonomy
is classification by people (differ from Directory)
is a sort of user created Tag
Tags : Mirage, M480, Samsung, Anycall, SmartPhone, Smart-Phone
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Use Case : Gemet
Gemet
General multilingual environmental thesaurus
Copyright 2008 by CEBT
Copyright 2008 by CEBT
Use Case : SWED SWED
Prototype of a new kind of directory of environmental or-ganisations and projects
Copyright 2008 by CEBT
Links to the SKOS
Copyright 2008 by CEBT
Summary
SKOS is a simple framework for presenting and sharing terminology
Provides interoperability between different RDF docu-ments
You can see more about SKOS in
http://www.w3.org/2004/02/skos
Do we expect everything(RDF) to change to SKOS for-mat?