Simple Knowledge Organisation System (SKOS) Alistair Miles - - PowerPoint PPT Presentation

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Simple Knowledge Organisation System (SKOS) Alistair Miles http://purl.org/net/aliman RDA Data Model Meeting, April 30 May 1, 2007 Data Multi-tier applications Vertical/horizontal/diagonal dimensions Integrate Reuse

SLIDE 1

Simple Knowledge Organisation System (SKOS)

Alistair Miles http://purl.org/net/aliman RDA Data Model Meeting, April 30 – May 1, 2007

SLIDE 2

Data

Multi-tier applications
Vertical/horizontal/diagonal dimensions

– Integrate – Reuse – Repurpose

Application A Application B

SLIDE 3

Controlled Vocabulary Data

Reused

– E.g. multiple metadata catalogues

Integrated

– E.g. distributed retrieval – E.g. multiple vocabularies

Repurposed

– E.g. relationship discovery

SLIDE 4

SKOS

Simple Knowledge Organisation System
For sharing controlled vocabulary & vocabulary

mapping data

Vocabularies with (relatively) simple structure

– Thesauri – Classification Schemes – Taxonomies – Subject Heading Systems – ...

... oriented towards retrieval applications

SLIDE 5

Acknowledgements

Transfer well-known conventions & techniques

to new context

Library, classification & indexing communities
public-esw-thes@w3.org

SLIDE 6

Design

URIs for identification

– A controlled vocabulary identifies and describes a

set of concepts

RDF for simple relationships

– SKOS provides a standard set of relationships

(a.k.a. properties) for modelling & encoding structure & content of controlled vocabularies

– e.g. broader, narrower, related etc.

SLIDE 7

Application

Semantic Web Environmental Directory
http://swed.org.uk

SLIDE 8

Publishing Data

Can use SKOS to create and publish

vocabulary data in the Web

SKOS is also, itself, published in the Web
Can use SKOS URIs to retrieve both human-

readable and machine-readable information

http://www.w3.org/2004/02/skos/core#broader

SLIDE 9

More Info

http://www.w3.org/2004/02/skos