- From: Luc Moreau <l.moreau@ecs.soton.ac.uk>
- Date: Tue, 12 Feb 2013 14:25:07 +0000
- To: Timothy Lebo <lebot@rpi.edu>
- CC: "public-prov-wg@w3.org" <public-prov-wg@w3.org>
Hi Tim, See below. On 02/12/2013 01:44 PM, Timothy Lebo wrote: > Luc, > > On Jan 15, 2013, at 5:51 PM, Luc Moreau <L.Moreau@ecs.soton.ac.uk> wrote: > >> Hi Tim, >> >> The prov-o document has several examples with blank nodes. >> Some of them are difficult >> to express in prov-n/prov-xml. >> >> Consider: >> https://dvcs.w3.org/hg/prov/file/5495d990f17b/testcases/provo/prov-o-property-hadUsage-PASS.ttl >> >> The usage has no identifier we can use in the derivation. > > Any identifier will do; you may choose a new one for each bnode you find. > > >> Should we keep examples of this kind in the specification or should we introduce an explicit >> identifier for usage here? > We are using blank nodes to help the reader focus on the structure of the PROV-O pattern. > I think this is appropriate for the audience of PROV-O. > > Perhaps it's just a matter of knowing how to handle bnodes when mapping to other serializations? We don't specify that. So, we don't how express that example in prov-xml/prov-n. Luc > > Regards, > Tim > > > >> Luc >> >> -- >> 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 Tuesday, 12 February 2013 14:25:48 UTC