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Re: PROV-ISSUE-239 (TLebo): is wasGeneratedBy(e) meaningful? [prov-dm]

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Fri, 23 Mar 2012 13:47:50 +0000
Message-ID: <EMEW3|7e4dea38eb2cc73696c1c30050521b71o2MDly08L.Moreau|ecs.soton.ac.uk|4F6C7F06.6060006@ecs.soton.ac.uk>
To: public-prov-wg@w3.org

Hi Tim,
In the latest draft [1], we stated:

While each of the components activity, time, and attributes is optional, 
at least one of them must be present.

I believe this addresses your concern.
I propose to close the issue pending review.



On 02/06/2012 09:19 PM, Provenance Working Group Issue Tracker wrote:
> PROV-ISSUE-239 (TLebo): is wasGeneratedBy(e) meaningful? [prov-dm]
> http://www.w3.org/2011/prov/track/issues/239
> Raised by: Timothy Lebo
> On product: prov-dm
> Everything but entity is OPTIONAL in wasGeneratedBy.
> If I say only wasGeneratedBy(e), what did I say? And why was I allowed to say it?
> from WD3:
> A generation record, written wasGeneratedBy(id,e,a,t,attrs) in PROV-ASN, has the following components:
>      id: an optional identifier id identifying the generation record;
>      entity: an identifier e identifying an entity record that represents the entity that is created;
>      activity: an optional identifier a identifying an activity record that represents the activity that creates the entity;

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 13:48:26 GMT

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