W3C home > Mailing lists > Public > public-owl-wg@w3.org > May 2008

issue-21 / importing multiple versions of the same ontology

From: Alan Ruttenberg <alanruttenberg@gmail.com>
Date: Wed, 28 May 2008 02:54:44 -0400
Message-Id: <3DF6476C-C64F-4D24-854D-775ABA00F97E@gmail.com>
To: OWL Working Group WG <public-owl-wg@w3.org>

The last specific proposal from Peter:



> An ontology SHOULD NOT import multiple versions of the same  
> ontology, i.e., different ontology documents with the same ontology  
> URI but that
> do not share an owl:versionInfo annotation value.

However, the syntax document currently says:
> The OWL 2 specification provides no means for checking whether O is  
> compatible with the actually imported ontology versions.  
> Furthermore, if the ontologies imported into O additionally import  
> other ontologies, it is possible for O to import two different,  
> possibly incompatible, versions from the same ontology series. OWL  
> 2 provides no built-in means for detecting such situations.  
> Extensions providing such a mechanism, however, can be implemented  
> on top of OWL 2 import mechanism presented here.

Received on Wednesday, 28 May 2008 06:55:39 UTC

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