Re: PROV-ISSUE-149 (revision-asserter): Why does revision record include an asserter? [Data Model]

Thanks Simon.

You're right. I updated the constraint, and indicated that
Derivation may be  imprecise-1 or imprecise-n.

Luc

On 11/30/2011 02:35 PM, Simon Miles wrote:
> Hi Luc,
>
> Yes, the issue can be closed.
>
> Minor note - the constraint mentions "wasDerivedFrom(id, e2,e1)", but
> this ASN does not seem to be defined in the derivation section. I
> think it should be "wasDerivedFrom(id, e2, e1, attrs)". Or does it
> mean empty attribute set (so default prov:steps="n")?
>
> thanks,
> Simon
>
> On 30 November 2011 13:07, Luc Moreau<L.Moreau@ecs.soton.ac.uk>  wrote:
>    
>> Hi Simon,
>> We have made some changes on this section in the latest WD.
>> We are proposing to close,
>> Can you confirm it is fine?
>> Regards,
>> Luc
>>
>> On 11/11/2011 12:01 PM, Provenance Working Group Issue Tracker wrote:
>>      
>>> PROV-ISSUE-149 (revision-asserter): Why does revision record include an asserter? [Data Model]
>>>
>>> http://www.w3.org/2011/prov/track/issues/149
>>>
>>> Raised by: Simon Miles
>>> On product: Data Model
>>>
>>> The Revision record contains its own asserter, but it is unclear why.
>>>
>>> "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 declaring that the former is variant of the latter...
>>>
>>> A revision record...
>>> may refer to a responsible agent with identifier ag."
>>>
>>> The agent appears to be just the entity deciding whether to make the assertion or not (whether one entity is a revision of another). This is no different from any other assertion: it is always in some asserter's perspective that the assertion is true. We don't include the asserter explicitly in Used, Generated, Derived or other records, so why do we for Revision?
>>>
>>>
>>>
>>>
>>>
>>>        
>> --
>> 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
>>
>>
>>
>>      
>
>
>    

-- 
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 Wednesday, 30 November 2011 15:02:11 UTC