W3C home > Mailing lists > Public > public-prov-wg@w3.org > April 2012

Re: PROV-ISSUE-206 (agent-asserted-not-inferred): agents should not be inferred, and wasAssociatedWith should also work with entities [prov-dm]

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Tue, 17 Apr 2012 16:49:38 +0100
Message-ID: <EMEW3|287ccc57fb6f2c94811b580f14f91255o3GGne08L.Moreau|ecs.soton.ac.uk|4F8D9112.8020102@ecs.soton.ac.uk>
To: public-prov-wg@w3.org
Hi all,
this issue is now closed.
Luc

On 03/23/2012 01:17 PM, Luc Moreau wrote:
> Hi all,
>
> Given the resolution on the 2012-03-15 [1], changes have been 
> incorporated and
> we are closing this issue pending review.
>
> Regards,
> Luc
>
> [1] http://www.w3.org/2011/prov/meeting/2012-03-15#resolution_3
>
> On 12/21/2011 10:11 PM, Provenance Working Group Issue Tracker wrote:
>> PROV-ISSUE-206 (agent-asserted-not-inferred): agents should not be 
>> inferred, and wasAssociatedWith should also work with entities [prov-dm]
>>
>> http://www.w3.org/2011/prov/track/issues/206
>>
>> Raised by: Luc Moreau
>> On product: prov-dm
>>
>>
>>
>> Inference
>> http://dvcs.w3.org/hg/prov/raw-file/default/model/ProvenanceModel.html#association-agent 
>>
>> originates back from an agreement at F2F1, where we said that agents 
>> can be inferred from wasControlledBy.
>>
>> The inference was kept, and wasControlledBy replaced by 
>> wasAssociatedWith.
>>
>> However, I think this has undesirable consequences. For instance, in 
>> the example that follows constraint
>> http://dvcs.w3.org/hg/prov/raw-file/default/model/ProvenanceModel.html#wasStartedBy, 
>>
>> we see that an entity (a request to create an activity) is inferred 
>> to become
>> an agent because of the above inferences.
>>
>> There are many notions of agents out there, and we should go for 
>> minimum semantic commitment in prov-dm to facilitate adoption. 
>> Inferring agent is likely to be suspicious in some communities.
>>
>> Hence, proposal 1: remove inference association-agent from the document.
>>
>> Furthermore, for the example above to type correctly,
>>
>> proposal 2: allow wasAssociatedWith to relate an activity and an entity
>>
>> proposal 3: allow two forms for wasAssociatedWith:
>>             wasAssociatedWith(activity, agent, plan, attributes)
>>                and
>>             wasAssociatedWith(activity, entity, attributes)
>>
>>
>> Cheers,
>> Luc
>>
>>
>>
>>
>

-- 
Professor Luc Moreau
Electronics and Computer Science   tel:   +44 23 8059 4487
University of Southampton          fax:   +44 23 8059 2865
Southampton SO17 1BJ               email: l.moreau@ecs.soton.ac.uk
United Kingdom                     http://www.ecs.soton.ac.uk/~lavm
Received on Tuesday, 17 April 2012 15:50:10 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Thursday, 26 April 2012 13:07:03 GMT