- From: Frederick Giasson <fred@fgiasson.com>
- Date: Thu, 29 Nov 2007 11:54:06 -0500
- To: Eyal Oren <eoren@few.vu.nl>
- Cc: Steve Harris <steve.harris@garlik.com>, Chris Bizer <chris@bizer.de>, Semantic Web Interest Group <semantic-web@w3.org>
Hi Eyal, > On 11/29/07/11/07 10:49 -0500, Frederick Giasson wrote: >>> The links to eg. wikipedia use the property >>> <http://qdos.com/schema#wikipedia>, is there something we can >>> usefully make those properties a subPropertyOf? I would have liked >>> to use the FOAF site membership properties, but they're unhelpful >>> for the particular data we're trying to handle. > [..] >> Also, I would suggest that you use rdfs:domain and rdfs:range to >> restrict the use of these properties. Otherwise, with the current >> state of the ontology; I can use any of these properties to relate >> any resource with any resource :) > Just as a reminder, according to standard RDF(S) semantics, defining > rdfs:domain and rdfs:range do not *restrict* the usage of the property > at all. Instead, defined domains and ranges would lead to deriving the > rdfs:Class of resources that are described using those properties. > I knew someone would popup with that :) >> so, currently I can say: <foaf:Person> <q:ebay> <foaf:Person> > You could always say this, with or without a domain/range description. Well sure; I can always describe the fact that my soul is blue (even if a soul can't really has a color). But does loosing people in these matters helps the development of the semantic web? Don't think so. I mean; yes you are right; but it only get things more obscures when the result is somewhat the same. Take care, Fred
Received on Thursday, 29 November 2007 16:54:59 UTC