[Odrl-version2] RE: ODRL-Version2 Digest, Vol 20, Issue 2

[Susanne Guth]

Hi Alapan,

as I wrote in my email below. The important thing is the relations.
They are completely different than in the ODRL model, the carefully chosen relations are the heart of the model I guess.

Susanne


-------- Original-Nachricht --------
Datum: Thu, 08 Feb 2007 09:21:47 +0200
Von: Alapan Arnab <aarnab at cs.uct.ac.za>
An: "ODRL Version 2.0" <odrl-version2 at odrl.net>
CC: 
Betreff: Re: [Odrl-version2] RE: ODRL-Version2 Digest, Vol 20, Issue 2

> Hi Susanne, Vicky,
> I am just wondering how this core is different to the model I mailed in
> January ... I had only the objects you list below with two differences:
> 1. I do not have a prohibition element because I don't think it should
> exist; and I explain my reasons.
> 2. I split party up into rights holder/producer and user/consumer;
> mainly for modelling reasons. This could be condensed into one I think.
> 
> Alapan 
> On Wed, 2007-02-07 at 15:00 +0100, Susanne Guth wrote:
> > Hi Vicky,
> > 
> > good to hear from you again. Maybe you can use the basic ODRL language
> elements to do this approach. I want to avoid another REL development.
> > 
> > Core Element of ODRL are in my opinion:
> > 
> > - Rights
> > - Asset
> > - Party
> > - Permission
> > - Duty
> > - Prohibition
> > - Constraint
> > - Action (with Transfer Rights) and
> > - Object
> > 
> > However, very important are also the relationships between the elements.
> > I you are not sure, why we need the one or other relationship, maybe
> you'll find answers in our requirements document.
> > 
> > <http://odrl.net/2.0/v2req.html>
> > 
> > So long
> > Susanne
> > 
> > 
> > -------- Original-Nachricht --------
> > Datum: Wed, 7 Feb 2007 08:43:37 -0500
> > Von: "Vicky Weissman" <vickyw at cs.cornell.edu>
> > An: odrl-version2 at odrl.net, odrl-version2 at odrl.net
> > CC: 
> > Betreff: [Odrl-version2] RE: ODRL-Version2 Digest, Vol 20, Issue 2
> > 
> > > Hi All,
> > > 
> > > Sorry I haven't been around for awhile.  I want to comment on Steven's
> > > last
> > > email.
> > > 
> > > -------
> > > <From Steven Rowat on Tuesday, Feb. 6.>
> > > 
> > > I have Greg [Heileman]'s permission to quote from his response; these
> > > parts
> > > seem like they may be of interest:
> > > 
> > > It is theoretically possible to "chunk" ODRL or XrML into parts - some
> > > that
> > > would be part of a core REL, and others that would be identified as
> > > middleware or even application-level parts.  From our perspective, it
> > > seems
> > > that ODRL is better suited for this than XrML. Or perhaps we can
> define a
> > > core, and then show how it maps to specific parts of ODRL and XrML -
> this
> > > might get around some of the standards issues you mention.   
> > > 
> > > ------
> > > 
> > > I took a rough stab at this a few years ago by defining a "core"
> language
> > > that I called "Rosetta".  I'm currently trying to refine the ideas and
> > > would
> > > be happy to mail the results to anyone who's interested.  (Hopefully
> I'll
> > > have a first draft in time for CCS.)  
> > > 
> > > Best,
> > > Vicky    
> > > 
> > > 
> > 
> -- 
> Alapan Arnab
> Data Networks Architecture (DNA) Laboratory
> Department of Computer Science
> University of Cape Town
> Rondebosch, 7700
> South Africa
> 
> Tel: +27 21 650 3127
> Web: http://people.cs.uct.ac.za/~aarnab/
> Blog: http://idiots-mind.blogspot.com
> ----------
> "You must always believe that you can be the best, but you must never
> believe you have achieved it".
> Juan Manuel Fangio
> 
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-- 
Susanne Guth
cantoergosum at guth.it
http://cantoergosum.guth.it/

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