knowledge

SKOS – Simple Knowledge Organization System


SKOS provides a model for expressing the basic structure and content of concept schemes such as thesauri, classification schemes, subject heading lists, taxonomies, folksonomies, and other similar types of controlled vocabulary.

Examples

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Rugby Football in LCSH

This example shows the entry for “rugby football” in the Library of Congress Subject Headings. more…

<rdf:RDF
   xmlns:dcterms="http://purl.org/dc/terms/"
   xmlns:owl="http://www.w3.org/2002/07/owl#"
   xmlns: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://id.loc.gov/authorities/sh85115741#concept">
  <owl:sameAs rdf:resource="info:lc/authorities/sh85115741"/>
  <skos:narrower rdf:resource="http://id.loc.gov/authorities/sh88004283#concept"/>
  <skos:narrower rdf:resource="http://id.loc.gov/authorities/sh85049209#concept"/>
  <skos:narrower rdf:resource="http://id.loc.gov/authorities/sh88004282#concept"/>
  <skos:altLabel xml:lang="en">Rugger</skos:altLabel>
  <skos:closeMatch rdf:resource="http://stitch.cs.vu.nl/vocabularies/rameau/ark:/12148/cb119327137"/>
  <skos:prefLabel xml:lang="en">Rugby football</skos:prefLabel>
  <skos:broader rdf:resource="http://id.loc.gov/authorities/sh85050405#concept"/>
  <dcterms:created rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">1986-02-11T00:00:00-04:00</dcterms:created>
  <skos:inScheme rdf:resource="http://id.loc.gov/authorities#conceptScheme"/>
  <skos:inScheme rdf:resource="http://id.loc.gov/authorities#topicalTerms"/>

  <dcterms:modified rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">1986-06-25T12:05:27-04:00</dcterms:modified>
</skos:Concept>
</rdf:RDF>

Modelling Employment with the Organizational Ontology

An example of using the organizational ontology to represent a person’s employment at an organization with a specific role, starting at a specific time. more…

@prefix org: <http://www.w3.org/ns/org#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . 
@prefix owlTime: <http://www.w3.org/2006/time> .

@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix eg: <http://example.org/>

<http://www.epimorphics.com/public/org#epimorphics> a org:FormalOrganization;
    skos:prefLabel "Epimorphics Ltd" .

eg:ctoRole a org:Role;
    rdfs:label "CTO" .
        
[] a org:Membership;
    org:member <http://www.amberdown.net/rdf/foaf.rdf#der> ;
    org:organization <http://www.epimorphics.com/public/org#epimorphics> ;
    org:role eg:ctoRole;
    org:memberDuring [a owlTime:Interval; owlTime:hasBeginning [
                      owlTime:inXSDDateTime "2009-11-01T09:00:00Z"^^xsd:dateTime]] .