PROV-ISSUE-368 (no-responsibility-in-derivation): No responsibility in derivation [prov-dm]

PROV-ISSUE-368 (no-responsibility-in-derivation): No responsibility in derivation [prov-dm]

http://www.w3.org/2011/prov/track/issues/368

Raised by: Luc Moreau
On product: prov-dm


We are having ongoing discussion about responsibility in derivations (see ISSUE-357 and ISSUE-352).

In the spirit of simplification, I would like to suggest that agents should not be mentioned in derivation relations. 

Instead of
 wasRevisionOf(id,e2,e1,ag,attrs)
we should write
 wasRevisionOf(id,e2,e1,attrs)
 and  wasAttributedTo(e2,ag)


Instead of
 wasQuotedFrom(id,e2,e1,ag2,ag1,attrs)
we should write:
 wasQuotedFrom(id,e2,e1,attrs)
 and  wasAttributedTo(e1,ag1)
 and  wasAttributedTo(e2,ag2)



We are not losing in expressivity, I believe, instead, we decouple components 2 and 3 in the data model.

Furthermore, if we allow optional arguments in derivations,
wasDerivedFrom(id, e2, e1, a, g2, u1, attrs)
they should also be allowed in quotation/original source/revision, to
make these proper subrelations.

Cheers,
Luc