- From: Yuzhong Qu <yzqu@seu.edu.cn>
- Date: Thu, 27 Mar 2003 22:18:37 +0800
- To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>
- Cc: <www-rdf-logic@w3.org>
----- Original Message ----- From: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com> To: <yzqu@seu.edu.cn> Cc: <www-rdf-logic@w3.org> Sent: Thursday, March 27, 2003 5:13 PM Subject: Re: Difference between cardinality=1 and FunctionalProperty? > > From: "Yuzhong Qu" <yzqu@seu.edu.cn> > Subject: Re: Difference between cardinality=1 and FunctionalProperty? > Date: Thu, 27 Mar 2003 13:08:45 +0800 > > > > Both versions have the same domain for serial, so there is no difference > > > here. > > > > I agree the two versions are equal to each other in some context, shuch as > > "here". > > > > But the meaning depends on the context. Please consider the situation the > > different version is imported into aother ontology, respectively. > > > > Thanks! > > > > Yuzhong Qu > > I don't see how this could possible affect the situation. Suppose the another ontology includes the following triple: ex:aThing serial 'ABC'^rdfs:Literal In one case, it entails: ex:aThing rdf:type Gun (Becase the rdfs:domain of the property "serial" is Gun) While there is no such entailment in the other case. > > Peter F. Patel-Schneider > Bell Labs Research > Lucent Technologies > > >
Received on Thursday, 27 March 2003 09:17:39 UTC