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Re: PROV-ISSUE-366: Approving agent in a qualified wasRevisionOf [Ontology]

From: Paul Groth <p.t.groth@vu.nl>
Date: Fri, 27 Apr 2012 19:33:59 +0200
Message-ID: <69769B97-2DE2-46B0-B292-ACB2FC4F15CC@vu.nl>
CC: Provenance Working Group <public-prov-wg@w3.org>
To: Stian Soiland-Reyes <soiland-reyes@cs.manchester.ac.uk>
Stian

Doesn't this introduce a new relation into the data model? This does not seem prov-o specific or am I missing something?

Paul

On Apr 27, 2012, at 17:04, Stian Soiland-Reyes <soiland-reyes@cs.manchester.ac.uk> wrote:

> I've added prov:wasApprovedBy with domain prov:Revision and range
> prov:Agent and suggest closing this issue.
> 
> I'm modifying prov:Revision example.
> 
> On Thu, Apr 26, 2012 at 00:14, Provenance Working Group Issue Tracker
> <sysbot+tracker@w3.org> wrote:
>> PROV-ISSUE-366: Approving agent in a qualified wasRevisionOf [Ontology]
>> 
>> http://www.w3.org/2011/prov/track/issues/366
>> 
>> Raised by: Stephan Zednik
>> On product: Ontology
>> 
>> PROV-DM says an agent may be referenced in a Revision Record as the agent that approves that the former is a due variant of the later.
>> 
>> http://www.w3.org/TR/prov-dm/#record-Revision
>> 
>> 6.3 Revision Record
>> 
>> A revision record is a representation of the creation of an entity considered to be a variant of another. Deciding whether something is made available as a revision of something else usually involves an agent who represents someone in the world who takes responsibility for approving that the former is a due variant of the latter.
>> 
>> A revision record, written wasRevisionOf(e2,e1,ag,attrs) in PROV-ASN, contains:
>> 
>> newer: an identifier e2 identifying an entity that represents a newer version of an entity;
>> older: an identifier e1 identifying an entity that represents an older version of an entity;
>> responsibility: an optional identifier ag for the agent who approved that e2 is a variant of e1;
>> attributes: an optional set attrs of attribute-value pairs to further describe this record.
>> 
>> Since prov:agent is a specialization of prov:involvee and is meant to represent the 'rdf:object' of the unqualified relation, I don't think prov:agent works as the relation to represent the approving agent.
>> 
>> I think we need a new specialization of prov:involved to represent the approving agent of the derivation, perhaps prov:wasApprovedBy.
>> 
>> Or, we can take this back to PROV-DM to get clarification on the intent for having an approving agent of a derivation relationship.
>> 
>> 
>> 
> 
> 
> 
> -- 
> Stian Soiland-Reyes, myGrid team
> School of Computer Science
> The University of Manchester
> 
Received on Friday, 27 April 2012 17:34:30 GMT

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