- From: LYNN,JAMES (HP-USA,ex1) <james.lynn@hp.com>
- Date: Mon, 29 Sep 2003 10:11:49 -0400
- To: Patrick Stickler <patrick.stickler@nokia.com>, "ext Thomas B. Passin" <tpassin@comcast.net>, www-rdf-interest@w3.org
> -----Original Message----- > From: Patrick Stickler [mailto:patrick.stickler@nokia.com] > Sent: Monday, September 29, 2003 9:06 AM > To: ext Thomas B. Passin; www-rdf-interest@w3.org > Subject: Re: AW: Literals representing people? > > > > On 2003-09-29 15:42, "ext Thomas B. Passin" > <tpassin@comcast.net> wrote: > > > > > Leo Sauermann wrote: > > > >> Identify people by email address or any other URI (f.e. > homepage) but > >> not using Literals. > >> > > Except - do not use any uri that you might also want to make > > statements about in its own right, such as a home page. > Otherwise, you > > are back to the ambiguity as to whether the subject is the > person or the > > page (or whatever). Or be willing to distinguish between > the two usages > > by context, but that makes it much harder to come up with a > good domain > > or range for the relevant properties. > > Right. Use URIs, yes, but make sure not to introduce any > ambiguity. So don't use the URI of an email account or home > page directly to denote a person. Either use another URI > that explicitly denotes the person, or use a blank node > to indirectly denote the person. E.g. > > <#me> ex:myFriend _:x . > _:x ex:emailAddress <mailto:somebody@example.com> . > > etc. but not > > <#me> ex:myFriend <mailto:somebody@example.com> . > > where it becomes ambiguous whether your friend is a > person or a mailbox ;-) In the interest of economy, is there a way to have the meaning of the first statement and the brevity of the second? <#me> ex:myFriend whose_emailAddress_is_<mailto:somebody@example.com> > > Patrick > > >
Received on Monday, 29 September 2003 10:11:58 UTC