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Re: PROV-ISSUE-235 (TLebo): add MAY to namespace defining "schema" [prov-dm]

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Fri, 23 Mar 2012 14:21:37 +0000
Message-ID: <EMEW3|3b107d977960d691ee39ae83335a867fo2MELd08L.Moreau|ecs.soton.ac.uk|4F6C86F1.4070600@ecs.soton.ac.uk>
To: Timothy Lebo <lebot@rpi.edu>
CC: Provenance Working Group <public-prov-wg@w3.org>, Provenance Working Group Issue Tracker <sysbot+tracker@w3.org>
Hi Tim,

On 03/23/2012 01:51 PM, Timothy Lebo wrote:
> Thanks, Luc.
>
> Does the namespace have any responsibilities in the latest DM?
>
>    
Beyond saying that qualified names "belong" to a namespace, not really.

http://dvcs.w3.org/hg/prov/raw-file/default/model/prov-dm.html#term-NamespaceDeclaration


> I thought that using the namespace to provide the expectations for the attributes on an instance was an eloquent resolution to the "characterizing attributes" discussion from months past.
>    

To some extent, the management of namespace, the properties associated 
with attributes (e.g. cardinality) is beyond
what prov-dm can specify.  Typically, one would define ontology to 
define all those specific attributes, and the
ontology would take care of these constraints.
]
Luc

> -Tim
>
>
> On Mar 23, 2012, at 9:37 AM, Luc Moreau wrote:
>
>    
>> Hi Tim,
>>
>> We have removed this text, so the issue is supersed.
>>
>> We are proposing to close it.
>>
>> Regards,
>> Luc
>>
>> On 02/06/2012 03:12 PM, Provenance Working Group Issue Tracker wrote:
>>      
>>> PROV-ISSUE-235 (TLebo): add MAY to namespace defining "schema" [prov-dm]
>>>
>>> http://www.w3.org/2011/prov/track/issues/235
>>>
>>> Raised by: Timothy Lebo
>>> On product: prov-dm
>>>
>>> propose to change:
>>>
>>> "Furthermore, for each attribute, a namespace also declares the number of occurrences it may have in a list of attributes."
>>>
>>> to:
>>>
>>> "Furthermore, for each attribute, a namespace ___MAY___ also declare the number of occurrences the ___entity__ may have in a list of attributes."
>>>
>>>
>>>
>>>
>>>        
>> -- 
>> 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 Friday, 23 March 2012 14:22:55 GMT

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