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

Hi Tim,
you may want to say that an entity has been created and assert some
metadata about the creation (hour,
location, etc.), but not want/know which activity produced it. That is why
everything can optional but the entity.

Thanks,
Daniel

2012/2/6 Provenance Working Group Issue Tracker <sysbot+tracker@w3.org>

> 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;
>
>
>
>