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

From: Paolo Missier <Paolo.Missier@ncl.ac.uk>
Date: Mon, 06 Feb 2012 22:57:52 +0000
Message-ID: <4F305AF0.6080901@ncl.ac.uk>
To: public-prov-wg@w3.org
The activity should not be optional, surely?

-Paolo

On 2/6/12 9:19 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;
>
>
>


-- 
-----------  ~oo~  --------------
Paolo Missier - Paolo.Missier@newcastle.ac.uk, pmissier@acm.org
School of Computing Science, Newcastle University,  UK
http://www.cs.ncl.ac.uk/people/Paolo.Missier
Received on Monday, 6 February 2012 23:02:06 GMT

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