- From: Garret Wilson <garret@globalmentor.com>
- Date: Tue, 16 Sep 2003 14:54:20 -0700
- To: Dan Brickley <danbri@w3.org>
- Cc: Art.Barstow@nokia.com, www-rdf-interest@w3.org
Dan Brickley wrote: > * Art.Barstow@nokia.com <Art.Barstow@nokia.com> [2003-09-15 11:49-0400] > >>Do the latest RDF specs define a way to do enumeration >>(e.g. a Bag may contain only 4 strings)? If so, please >>send me the pointer. > > > http://www.w3.org/TR/rdf-schema/#ch_collectionvocab > The rdf:List collections mechanism allows the members of a list to be > enumeated in a way that makes it clear the whole list has been > represented. But as one can always add an infinite number of rdf:first properties to any rdf:List resource (see your citation about), does this really help ensure that nothing more is added to a list---or even, as you put it, "makes it clear the whole list has been represented?" Saying we ignore the new rdf:first properties doesn't help, because that would make rdf:List unstable---once someone adds another rdf:first to an rdf:List, which rdf:first is part of the "whole list" and which one isn't? Garret
Received on Tuesday, 16 September 2003 17:54:34 UTC