W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > July 2001

Re: rdfms-graph: Food for thought

From: <jos.deroo.jd@belgium.agfa.com>
Date: Fri, 13 Jul 2001 11:40:24 +0100
To: Graham.Klyne@Baltimore.com
Cc: me@aaronsw.com, w3c-rdfcore-wg@w3.org
Message-Id: <OF3AEE40DE.FA94DE24-ON41256A88.0038986A@bayer-ag.com>


> > 3) Can a node exist in a graph without any properties?
> >
> > Yes. This is indicated in the current XML syntax with an empty Description
> > element.
>
> Here, I disagree:  there is no obvious way to represent an isolated node in
> an abstract syntax/model based on triples.  I think an empty <Description>
> adds nothing to the semantics so should not appear in the abstract
> syntax/model.

I think there can be graphs with only 1 node e.g.
  :paris :path :paris.
Wether we should have "null" properties is not clear to me
(although we use them inside our implementations)

--
Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/
Received on Friday, 13 July 2001 05:41:14 EDT

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