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Introduction
Semantic web
Knowledgeshare
Need ofdomain ontologies
Many ontologies built
Most ofthemaretoospecific
domainReference ontologies
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Contents
Whatis a Referenceontology?
Whatisexpectedfromthisontology?
How to buildit?
What are the mostfamousReference ontologies?
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Whatis a Referenceontology?
Nicolas Guarinouses the term : Referenceontology for the first
timeduring the 26th GermanConference on Artificial Intelligence
(September 15th-18th2003 held in Hamburg)
SinceThen, there have been
ManyReferenceontologydefinitionsproposedwhichhighlitedits main
features, such as:
To Describe a certain domainadequately
Tobetrue about a certain portion of reality
To beindependentfromspecific objectives
To bevalidated by a large community of domain experts
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Whatis a Referenceontology?
Domain Reference ontologies representknowledge about a particular
part of the world in a waythatisindependentfromspecific objectives,
through a theory of a domain
Anita Burgun, Desiderata for domainreference ontologies in
biomedicine, Journal of Biomedical information, 39(2006)
307-313.
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Whatis a Referenceontology?
Purpose
Application
Expressiveness
FoundationalOntology
Vs. Reference
Ontology
Reference
Lightweight
Heavyweight
Specificity
Core
Domain
Generic
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Whatis a Referenceontology?
Reference ontology
Foundational ontology
8. Make use of methods of top-level ontologies 9. Generalize to
otherdomains (more specificdomains) 10. Domain-independenttheories
11. High degree of representationalaccuracy 12. Designed to be used
ascontrols on other ontologies types
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Whatis a Referenceontology?
WhenReferenceontologyisgeneric, the twoontology types are
equivalent.
Otherwise, theybelong to different abstraction levels:
Conclusion
RequiressolidPhilosophical Background
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Whatis a Referenceontology?
Purpose
ReferenceVs. Application
ontologyontology
Application
Expressiveness
Reference
Lightweight
Heavyweight
Specificity
Core
Domain
Generic
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Whatis a Referenceontology?
Application ontology
Reference ontology
16. Provides a minimal terminological structure 17. Fits the
needs of a specificcommunity
18. Lightweight ontologies, designedaccording to the viewpoint
of an end-user in a particulardomain 19. Can
bederivedfromReferenceontology 20. Broad and Deep: 21. maximal
coverage 22. Fits the needs of a largecommunity
23. Rich, axiomatictheories, designedaccording to strict ontologicalprinciples 24. Can bederivedfromFoundationalontology