- From: Luc Moreau <l.moreau@ecs.soton.ac.uk>
- Date: Thu, 13 Sep 2012 09:23:50 +0100
- To: "Hua, Hook (388C)" <hook.hua@jpl.nasa.gov>
- CC: "public-prov-wg@w3.org" <public-prov-wg@w3.org>
Hi Hook, Good question! Long history. Bundles (used to be call accounts) could be arbitrarily nested in an earlier design. There was a strong push back, in part due to the fact that arbitrary nesting would cause extra complexity for the mapping to rdf and a flavor of named graphs. Luc On 09/13/2012 09:11 AM, Hua, Hook (388C) wrote: > Hi Luc, > > I'm curious what was the rationale for not wanting arbitrary levels of > nesting of bundles? > > In scientific workflows, nested workflows provide a useful mechanism to > hide the level of detail at arbitrary levels. Wouldn't that be > conceptually similar to arbitrary levels of nested bundles? > > Following example 39 in > http://www.w3.org/TR/prov-dm/#anexample-provenance-of-provenance > I can see that not having arbitrary levels of bundle nesting would keep > the provenance of provenance simpler, say, to capturing first order > observations. > > > --Hook > > > > > > > On 9/10/12 9:36 AM, "Luc Moreau" <l.moreau@ecs.soton.ac.uk> wrote: > >> Hi Curt, >> >> Following discussion in prov-constraints/prov-n, we are going to rename >> the toplevel bundle >> a prov document, wheres the bundle (named set of statements) should >> remain bundle. >> >> If we follow the same terminology, old:NamedBundle should become >> new:Bundle >> and old:Bundle should become new:Document. >> >> BTW Your suggestion would allow arbitrary levels of nesting of bundles, >> which we don't want. >> >> >> Cheers, >> Luc >> >> >> On 09/10/2012 05:32 PM, Provenance Working Group Issue Tracker wrote: >>> PROV-ISSUE-549: XML Schema Bundle vs. NamedBundle [XML Serialization] >>> >>> http://www.w3.org/2011/prov/track/issues/549 >>> >>> Raised by: Curt Tilmes >>> On product: XML Serialization >>> >>> What is the rationale for distinguishing Bundle vs. NamedBundle in the >>> current XSD Schema? >>> >>> Why not just have an optional prov:id on Bundle and just have one type? >>> >>> >>> >>> >> -- >> 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 >> >> -- 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 Thursday, 13 September 2012 08:24:33 UTC