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Subject: Ontology Versioning- ebXML RegRep Profile for Web Ontology Language (OWL) 2.0


Regarding Ontology Versioning section in ebXML RegRep Profile for Web Ontology Language (OWL) 2.0
 
 
(1) We should require use of a specific Version Resource Identifier that is based on the IRI proposed for OWL 2.
 
OWL 2 uses Internationalized Resource Identifiers (IRIs) [RFC3987] for identifying ontologies and their elements. ..... Each OWL 2 ontology may have an ontology IRI, which is used to identify the ontology. An OWL 2 ontology may also have a version IRI, which is used to identify a particular version of the ontology. http://www.w3.org/TR/2009/WD-owl2-new-features-20090611/
 
(2)  To support queries of a Multiple Version Ontology we can promote use of  Boolean with Temporal Operators
 
•Boolean operators: negation, conjunction, etc.
•Temporal operators (Backlooking operators)
•Prevj : j holds in the previous version
•Pj:    j holds in a prior version(Sometimes in the past)
•Hj:     j holds in all prior versions (Always in the past)
•jSf:     j  always holds in the prior versions since f holds in a prior version 
http://wasp.cs.vu.nl/~huang/presentation/Huang-FlorenceWorkshop.ppt slide 6-11 Queries reasoning 11 +  retrieval 13 
 
cheers
Carl Mattocks
--
CEO MedicinArhivo
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usa 1 (877) MED HIVO  {633-4486}
Chair OASIS BCM Tech Committee
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CarlMattocks@CheckMi.com
Open Source : Lissom Semantics


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