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Re: PROV-ISSUE-8 (define-generation): Definition for Concept 'Generation' [Provenance Terminology]

From: Jun Zhao <jun.zhao@zoo.ox.ac.uk>
Date: Thu, 02 Jun 2011 13:00:22 +0100
Message-ID: <4DE77B56.7030807@zoo.ox.ac.uk>
To: Graham Klyne <GK@ninebynine.org>
CC: Daniel Garijo <dgarijo@delicias.dia.fi.upm.es>, "public-prov-wg@w3.org" <public-prov-wg@w3.org>
Graham,

On 01/06/2011 18:19, Graham Klyne wrote:
> Daniel,
>
> I was assuming that such properties (like time of generation) would be
> associated with some level of process or process execution, but maybe I
> misunderstand the intent.

I think this is one way of modelling things.

My understanding about Daniel's intent was simply to broaden our 
conceptualization about generation, which should be more than 
associating process with a resource.

  I think it's sometimes hard trying to define things
> in isolation - and maybe we see things fitting together in different ways.
>
> When I looked at both OPM and PML, I thought there was a core of ideas common to
> both that included "resources", "processes", "provenance" and some fundamental
> ways in which they are related.  I think it's this core of inescapable notions
> and their relationships that's maybe more interesting than their individual
> definitions.

Would you care to clarify this?

cheers,

Jun
>
> #g
> --
>
>
> Daniel Garijo wrote:
>> Hi Jun, all.
>> I think that it refers to the /generation provenance /that you talk
>> about in
>> the last lines of your definition. Having "generation" as a concept would
>> allow to add more metadata about when was a resource/resource
>> state/resource state representation
>> generated, where, etc.
>>
>> If we treat the generation as a property, we will have to add more
>> properties
>> to describe the generation of the resource (like wasGeneratedAtTime,
>> wasGeneratedAtPlace, etc).
>> Daniel
>>
>> 2011/5/31 Graham Klyne<GK@ninebynine.org<mailto:GK@ninebynine.org>>
>>
>>      I agree.
>>
>>      #g
>>      --
>>
>>
>>
>>      Jun Zhao wrote:
>>
>>          I propose Generation should be a relationship rather than a concept.
>>
>>          See
>>          http://www.w3.org/2011/prov/wiki/ConceptGeneration#Definition_by_Jun
>>
>>          cheers,
>>
>>          Jun
>>
>>          On 20/05/2011 08:07, Provenance Working Group Issue Tracker wrote:
>>
>>
>>              PROV-ISSUE-8 (define-generation): Definition for Concept
>>              'Generation' [Provenance Terminology]
>>
>>              http://www.w3.org/2011/prov/track/issues/8
>>
>>              Raised by: Luc Moreau
>>              On product: Provenance Terminology
>>
>>              The Provenance WG charter identifies the concept
>>              'Generation' as a core concept of the provenance interchange
>>              language to be standardized (see
>>              http://www.w3.org/2011/01/prov-wg-charter).
>>
>>              What term do we adopt for the concept 'Generation'?
>>              How do we define the concept 'Generation'?
>>              Where does concept 'Generation' appear in ProvenanceExample?
>>              Which provenance query requires the concept 'Generation'?
>>
>>              Wiki page: http://www.w3.org/2011/prov/wiki/ConceptGeneration
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
Received on Thursday, 2 June 2011 12:00:46 GMT

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