This lecture discusses SKOS as a common data model for sharing and linking knowledge organization systems via the Web. Many knowledge organization systems, such as thesauri, taxonomies, classification schemes and subject heading systems, share a similar structure, and are used in similar applications. SKOS captures much of this similarity and makes it explicit, enabling data and technology sharing across diverse applications. The SKOS data model provides a standard, low-cost migration path for porting existing knowledge organization systems to the Semantic Web. Also available as PDF:
Keywords: Simple Knowledge Organization System (SKOS), Thesaurus, Vocabulary, RDFa
Author: Bechhofer, Sean
Date created: 2010-06-30 04:00:00.000
Time required: P1H
Educational use: professionalDevelopment
Educational audience: generalPublic
- Knows Simple Knowledge Organization System, or SKOS (2009), an RDF vocabulary for expressing concepts that are labeled in natural languages, organized into informal hierarchies, and aggregated into co
- Understands that in a formal sense, a SKOS concept is not an RDF class but an instance and, as such, is not formally associated with a set of instances ("class extension").
- Understands that in contrast to OWL sub-class chains, hierarchies of SKOS concepts are designed not to form transitive chains automatically because this is not how humans think or organize information
- Understands that SKOS can express a flexibly associative structure of concepts without enabling the more rigid and automatic inferences typically specified in a class-based OWL ontology.