W3C

SKOS Simple Knowledge Organization System eXtension for Labels (SKOS-XL) Namespace Document - HTML Variant

18th August 2009 Recommendation Edition

This version:
http://www.w3.org/TR/2009/REC-skos-reference-20090818/skos-xl.html
Latest version:
http://www.w3.org/TR/skos-reference/skos-xl.html
Editors:
Alistair Miles, STFC Rutherford Appleton Laboratory / University of Oxford
Sean Bechhofer, University of Manchester

Status of this Document

This document describes the schema available from the SKOS-XL namespace.


Introduction

The Simple Knowledge Organization System (SKOS) is a common data model for sharing and linking knowledge organization systems via the Semantic Web. SKOS-XL defines an extension for the Simple Knowledge Organization System, providing additional support for describing and linking lexical entities.This document provides a brief description of the SKOS-XL vocabulary.

For detailed information about the SKOS Recommendation, please consult the SKOS Reference [SKOS-REFERENCE] or the SKOS Primer [SKOS-PRIMER].

SKOS-XL Schema Overview

The following table gives a non-normative overview of the SKOS-XL vocabulary; it replicates a table found in the (normative) SKOS Reference [SKOS-REFERENCE]. This document can be referenced directly, by its own URI http://www.w3.org/TR/skos-reference/skos-xl.html, or indirectly, by content negotiation from the SKOS-XL namespace URI http://www.w3.org/2008/05/skos-xl# as described in Appendix C of SKOS Reference [SKOS-REFERENCE].

See also the SKOS-XL Namespace Document - RDF/XML Variant [SKOS-XL-RDF].

Classes

skosxl:Label
URI: http://www.w3.org/2008/05/skos-xl#Label
Definition: Section B.2. The skosxl:Label Class
Label: Label
Super-classes: restriction on skosxl:literalForm cardinality exactly 1
Disjoint classes: skos:Collection
skos:Concept
skos:ConceptScheme

Properties

skosxl:altLabel
URI: http://www.w3.org/2008/05/skos-xl#altLabel
Definition: Section B.3. Preferred, Alternate and Hidden skosxl:Labels
Label: alternative label
Range: skosxl:Label
skosxl:hiddenLabel
URI: http://www.w3.org/2008/05/skos-xl#hiddenLabel
Definition: Section B.3. Preferred, Alternate and Hidden skosxl:Labels
Label: hidden label
Range: skosxl:Label
skosxl:labelRelation
URI: http://www.w3.org/2008/05/skos-xl#labelRelation
Definition: Section B.4. Links Between skosxl:Labels
Label: label relation
Domain: skosxl:Label
Range: skosxl:Label
Other characteristics: Symmetric
skosxl:literalForm
URI: http://www.w3.org/2008/05/skos-xl#literalForm
Definition: Section B.2. The skosxl:Label Class
Label: literal form
Domain: skosxl:Label
skosxl:prefLabel
URI: http://www.w3.org/2008/05/skos-xl#prefLabel
Definition: Section B.3. Preferred, Alternate and Hidden skosxl:Labels
Label: preferred label
Range: skosxl:Label

References

[SKOS-REFERENCE]
SKOS Reference, Alistair Miles, Sean Bechhofer, Editors. Latest version available at http://www.w3.org/TR/skos-reference.
[SKOS-PRIMER]
SKOS Primer, Antoine Isaac, Ed Summers, Editors. Latest version available at http://www.w3.org/TR/skos-primer.
[SKOS-XL-RDF]
SKOS-XL Namespace - RDF/XML Variant. Latest version available at http://www.w3.org/TR/skos-reference/skos-xl.rdf

Acknowledgements

This document is the result of extensive discussions within the W3C's Semantic Web Deployment Working Group. The document drew on the experiences of earlier groups and projects including SWAD-Europe and W3C's Semantic Web Best Practices and Deployment Working Group. Members of the W3C's public-esw-thes also made valuable contributions.


$Revision: 1.4 $ of $Date: 2009/11/27 13:29:24 $