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Re: Definition of role

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Thu, 31 May 2012 18:24:02 +0000
To: Graham Klyne <graham.klyne@zoo.ox.ac.uk>
CC: "public-prov-wg@w3.org" <public-prov-wg@w3.org>
Message-ID: <EMEW3|3b8ef6488d666e7832fc47dcdef882aco4UJO508L.Moreau|ecs.soton.ac.uk|72F94378-F896-4ADF-9DA6-9D4313877917@ecs.soton.ac.uk>
To answer your question, we also have prov:type.
So what's the difference?

Luc

Professor Luc Moreau
Electronics and Computer Science
University of Southampton 
Southampton SO17 1BJ
United Kingdom

On 31 May 2012, at 18:03, "Graham Klyne" <graham.klyne@zoo.ox.ac.uk> wrote:

> On 31/05/2012 17:17, Miles, Simon wrote:
>> Hello Graham,
>> 
>>> From today's discussion, that's what I thought you meant, but why isn't that just subtyping of relations, which I believe we already allow?
> 
> I feel I'm missing something here ... I thought they (roles) were *the* mechanism for subtyping relations (in DM).
> 
> So, yes, it is subtyping of relations.
> 
> #g
> --
> 
>> thanks,
>> Simon
>> 
>> Dr Simon Miles
>> Senior Lecturer, Department of Informatics
>> Kings College London, WC2R 2LS, UK
>> +44 (0)20 7848 1166
>> 
>> accounting for the reasons behind contractual violations:
>> http://eprints.dcs.kcl.ac.uk/1283/
>> ________________________________________
>> From: Graham Klyne [graham.klyne@zoo.ox.ac.uk]
>> Sent: 31 May 2012 17:11
>> To: W3C provenance WG
>> Subject: Definition of role
>> 
>> Following today's teleconference, this came to me:
>> 
>> [[
>> A role is a restriction on a relationship between entities, agents and/or
>> activities, which qualifies the nature of the relationship.
>> ]]
>> 
>> I think that says what's needed.  But it does need supporting by some examples.
>> 
>> #g
>> --
>> 
> 
Received on Thursday, 31 May 2012 18:24:45 GMT

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