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RE: prov-issue-11: what is version?

From: Myers, Jim <MYERSJ4@rpi.edu>
Date: Tue, 28 Jun 2011 10:24:32 -0400
Message-ID: <B7376F3FB29F7E42A510EB5026D99EF20534A99F@troy-be-ex2.win.rpi.edu>
To: Simon Miles <simon.miles@kcl.ac.uk>, Provenance Working Group WG <public-prov-wg@w3.org>
I was just trying to use version as an example of IVP in the last email, hence it shouldn't be different. Looking at whether we need version explicitly as a concept - perhaps it is a 'profile' like time...

 Jim

> -----Original Message-----
> From: public-prov-wg-request@w3.org [mailto:public-prov-wg-
> request@w3.org] On Behalf Of Simon Miles
> Sent: Tuesday, June 28, 2011 10:18 AM
> To: Provenance Working Group WG
> Subject: Re: prov-issue-11: what is version?
> 
> Luc, Jim,
> 
> I notice that you two take different views on what the concept "version" is
> intended to describe. With the example things:
>   T1. The government data
>   T2. The government data with incorrect values
>   T3. The government data with corrected values Under Luc's definition T3 is
> a version of T2, but under Jim's definition T3 is a version of T1.
> 
> I'm not clear that "version", under either definition, is beneficial to keep in
> the model. Jim's definition seems to be only subtley if at all different from
> IPVT, while Luc's is distinct but just a simple composition of other concepts
> which could be recognised by any query.
> 
> My counter-proposal would be to remove "version" from the model.
> Simplicity of the standard is surely a good thing where possible.
> 
> If that is unacceptable, I think that Luc's definition makes sense but would
> be more clearly called "is revision of" or similar.
> 
> Thanks,
> Simon
> 
> On 27 June 2011 16:11, Luc Moreau <L.Moreau@ecs.soton.ac.uk> wrote:
> >
> > Hi all,
> >
> > Exploiting the  most recent definitions of Derivation and IVP of, I
> > tried to propose a definition of version.
> > http://www.w3.org/2011/prov/wiki/ConceptVersion#Definition_by_Luc
> >
> > What do you think?
> > Regards,
> > 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
> >
> >
> >
> >
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> 
> 
> --
> Dr Simon Miles
> Lecturer, Department of Informatics
> Kings College London, WC2R 2LS, UK
> +44 (0)20 7848 1166
Received on Tuesday, 28 June 2011 14:25:34 GMT

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