- From: Dan Brickley <danbri@w3.org>
- Date: Thu, 23 Mar 2000 11:22:55 -0500 (EST)
- To: Gerard Maas <gerard.maas@alcatel.be>
- cc: RDF-list <www-rdf-interest@w3.org>
That was an unfortunate typo :-( (I don't know if the W3C version of that paper can be amended - will check) Dan On Thu, 23 Mar 2000, Gerard Maas wrote: > Dan, > > In a document were you co-author:"A Query and Inference Service for RDF" > is said: > (In the introduction) > > RDF provides a framework for representing machine-processable data on the > Web. The RDF Model & Syntax specification [1] defines a formal > set-theoretic data model which can have several isomorphic > representations: > * 3-tuples (triples) > * acyclic directed labeled graph > * XML transfer encoding > I am writing some access code to a RDF Object model (not so ambicious as > to be said "RDF API), and cycles increase the complexity. On top of that, > until now, I haven't found any example of RDF Data with a cycle inside. > Of course I can make one, but it seems not to be used. > > Thanks for your reaction, > > Gerard. > > > Dan Brickley wrote: > Cycles are fine, even encouraged. The specialisation > properties > (subClassOf, subPropertyOf) aren't supposed to loop, but > that's all > the spec says w.r.t. restricting cycles. --dan > > >
Received on Thursday, 23 March 2000 11:23:58 UTC