ontology - Teamwork

schoolmistInternet και Εφαρμογές Web

22 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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The New Zealand Institute for Plant & Food Research Limited

Matthew Laurenson

Ontologies

The New Zealand Institute for Plant & Food Research
Limited

Ontologies


the problem

Existing Web/database searches based on pattern
matching or associations


eg a search for “earthquakes Canterbury” wouldn't find
“Christchurch rocked by aftershocks”

The New Zealand Institute for Plant & Food Research
Limited

Solutions

Restricted list of keywords
-

controlled vocabulary

»
Labour intensive

“Is a type of” keyword hierarchy


thesaurus

»
Broader term

»
Narrower term

»
Synonym

»
Related term

Broader range of relationships


ontology

»
Distinction between classes and individuals

»
Attributes/relationships

»
Reasoning

The New Zealand Institute for Plant & Food Research
Limited

Demo of Protégé
-
OWL

Web Ontology Language (OWL)
-

2004

Protégé
-
OWL (editor with reasoners)


http://protege.stanford.edu/


The New Zealand Institute for Plant & Food Research
Limited

<irony>
Keywords
</irony>

Recommend


Web Ontology Language (OWL)


Protégé
-
OWL (editor with reasoners)

But should mention


Semantic Web (Berners Lee et al, 2001)


Resource Description Framework (RDF)