SKOS Simple Knowledge Organization System Miranda Calhoon October

SKOS: Simple Knowledge Organization System Miranda Calhoon October 18, 2012

What is SKOS? Simple Knowledge Organization System Owl Ontology, Based on Resource Description Framework (RDF) Goal of SKOS is to provide a simple and flexible framework for representing Knowledge Organization Systems on the web Simplicity Standardization Extensibility

Knowledge Organization Systems Remind me, what are KOSs? Controlled Vocabularies Taxonomies Thesauri Subject Heading Systems Authority Files Etc.

SKOS History SKOS was first developed by the Semantic Web Advanced Development - Europe Thesaurus Activity (SWAD-Europe) which ran from 2002 -2004. W 3 C Semantic Web Best Practices and Deployment took over the SKOS project and published working drafts starting in 2005. On August 18, 2009, SKOS became an official W 3 C Recommendation.

How SKOS Works SKOS Essentials: Concepts and Concept Schemes Labels Semantic Relationships Documentation Mapping

SKOS Concepts SKOS uses the idea of “concepts” instead of “terms. ” SKOS views a Knowledge Organization System as a Concept Scheme that encompasses a set of Concepts Concept Schemes and Concepts are identified by URIs

SKOS Labels skos: pref. Label skos: alt. Label ex: animals rdf: type skos: Concept; skos: pref. Label "animals"@en; skos: pref. Label "animaux"@fr. Skos: hidden. Label Ex: resume rdf: type skos: Concept; Skos: pref. Label “résumé”@en; Skos: hidden. Label “resume” @en. skos: pref. Label "animals"@en; skos: alt. Label "creatures"@en. ex: fao rdf: type skos: Concept; skos: pref. Label "Food and Agriculture Organization"@en; skos: alt. Label "FAO"@en.

SKOS Semantic Relationships skos: related skos: broader skos: narrower skos: broader. Transitive skos: narrower. Transitive

Transitive Super-Property SKOS PRIMER

SKOS Documentation skos: scope. Note skos: change. Note skos: definition skos: editorial. Note ex: microwave. Frequenci es skos: scope. Note "Used for frequencies between 1 GHz to 300 Ghz"@en. skos: example skos: history. Note skos: note ex: tomato skos: change. Note "Moved from under 'fruits' to under 'vegetables' by

SKOS Mapping Properties skos: broad. Match skos: close. Match skos: exact. Match skos: mapping. Relation skos: narrow. Match skos: related. Match

What's Wrong with SKOS? What counts as a concept? Are people concepts? -Simplicity -Standardization -Extensibility

SKOS in action http: //id. loc. gov/ http: //data. nytimes. com/

References Bechhofer, Sean. (2010, June 30). SKOS: Past, Present, and Future. Retrieved October 1, 2012 from http: //videolectures. net/eswc 2010_bechhofer_sp pf/ SKOS/FAQs. (2010, January 15) Retrieved October 10, 2012 from http: //www. w 3. org/2001/sw/wiki/SKOS/FAQs SKOS PRIMER. (2009, August 18). Retrieved October 1, 2012 from