Regarding Ontology Versioning section in ebXML RegRep Profile for Web Ontology Language (OWL) 2.0
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
cheers
Carl Mattocks
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CEO MedicinArhivo
Digital Information Agency
usa 1 (877) MED HIVO {633-4486}
Chair OASIS BCM Tech Committee
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Cell (usa) (732) 497-CARL {2275}
CarlMattocks@CheckMi.com
Open Source : Lissom Semantics