Re: examples with blank nodes in prov-o html document

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?

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
> 
> 
> 

Received on Tuesday, 12 February 2013 13:45:08 UTC