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Re: PROV-ISSUE-142 (Tlebo): Can roles only be Literals? [Data Model]

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Sun, 6 Nov 2011 13:38:37 +0000
To: Jim McCusker <mccusj@rpi.edu>
CC: Provenance Working Group WG <public-prov-wg@w3.org>
Message-ID: <EMEW3|df5909e1c6c360fe4f2b82eff6444782nA5Dd108L.Moreau|ecs.soton.ac.uk|AE2ACEA6-57C9-4572-93ED-DFF7A75AC301@ecs.soton.ac.uk>
Ok, so, what's alternative suggestion ?

Professor Luc Moreau
Electronics and Computer Science
University of Southampton
Southampton SO17 1BJ
United Kingdom


On 6 Nov 2011, at 12:59, "Jim McCusker" <mccusj@rpi.edu> wrote:

> This is a misunderstanding of a URI literal versus URI resource. When
> a URI resource is used, it can link to that resource when it has
> assertions made about it. This is not possible or intended with URI
> literals.
> 
> Jim
> 
> On Sun, Nov 6, 2011 at 2:36 AM, Luc Moreau <L.Moreau@ecs.soton.ac.uk> wrote:
>> Hi Tim,
>> 
>> But doesn't this include URIs by means of typed literals?
>> 
>> Professor Luc Moreau
>> Electronics and Computer Science
>> University of Southampton
>> Southampton SO17 1BJ
>> United Kingdom
>> 
>> On 6 Nov 2011, at 01:20, "Provenance Working Group Issue Tracker" <sysbot+tracker@w3.org> wrote:
>> 
>>> 
>>> PROV-ISSUE-142 (Tlebo): Can roles only be Literals? [Data Model]
>>> 
>>> http://www.w3.org/2011/prov/track/issues/142
>>> 
>>> Raised by: Timothy Lebo
>>> On product: Data Model
>>> 
>>> prov-dm, 5.5.1 Qualifier:
>>> 
>>> "The value associated with a role attribute must be conformant with Literal."
>>> 
>>> 
>>> 
>>> Will this prevent PROV-O from using URIs to cite roles?
>>> 
>>> Restricting roles to literals will be severely limiting for PROV-O and semantic web applications, since literals cannot be described or served as linked data, and thus consumers will be unable to determine more information about what the role means.
>>> 
>>> 
>>> 
>> 
>> 
>> 
> 
> 
> 
> -- 
> Jim McCusker
> Programmer Analyst
> Krauthammer Lab, Pathology Informatics
> Yale School of Medicine
> james.mccusker@yale.edu | (203) 785-6330
> http://krauthammerlab.med.yale.edu
> 
> PhD Student
> Tetherless World Constellation
> Rensselaer Polytechnic Institute
> mccusj@cs.rpi.edu
> http://tw.rpi.edu
Received on Sunday, 6 November 2011 13:39:44 UTC

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