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Re: versioning in NF&R

From: Rinke Hoekstra <hoekstra@uva.nl>
Date: Thu, 14 May 2009 19:36:06 +0200
Cc: <public-owl-wg@w3.org>
Message-Id: <F610DCBE-DFF8-4B97-B9A7-0E05297C2B0D@uva.nl>
To: Peter F.Patel-Schneider <pfps@alcatel-lucent.com>
Looks good to me.

-Rinke

On 14 mei 2009, at 16:44, Peter F.Patel-Schneider wrote:

> LCC J4 mentions that versioning is good and asks for a place where  
> users
> can find out about it.  However, NF&R doesn't mention this.
>
> I propose to add something like the following to NF&R.  If there is no
> problem, I'll just go ahead and do it.
>
> peter
>
>
>
>
>
>
> 2.6.3: Locating and Versioning OWL 2 Ontologies
>
> In OWL 1 ontologies can be stored as Semantic Web documents, and
> ontologies can import other ontologies.  In OWL 2 this is slightly
> cleared up, making it clear that ontology importing is by location.
>
> OWL 2 also clears up the relationship between an ontology name (IRI)  
> and
> its location and, in response to several requests, provides a simple
> versioning mechanism by means of version names (IRIs).  Each OWL 2
> ontology may have an ontology IRI, which is used to identify the
> ontology. OWL 2 ontologies may also have version IRIs, which are  
> used to
> identify the version of the ontology.
>
> An OWL 2 ontology should be retrievable by using its version IRI, if  
> it
> has one.  One of the OWL 2 ontologies that share an ontology IRI (the
> ontology versions) should be retrievable at the ontology IRI - this
> ontology is the current one of the versions.  If it doesn't matter  
> which
> of the versions is desired then importing can use the ontology IRI,  
> but
> if a particular version is desired then the version IRI is used when
> importing.
>
> Example:
>
> The ontology
>
>  Ontology(:OI :VI ...)
>
> is supposed to be retrievable from :VI.  If it is also retrievable  
> from
> :OI then it is the current version.
>
>



---
Drs Rinke Hoekstra

Leibniz Center for Law      |  AI Department
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Received on Thursday, 14 May 2009 17:36:59 UTC

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