Re: AW: Literals representing people?

Here's some information by Dan Brickley about how we do person
identification in the FOAF project:

http://rdfweb.org/mt/foaflog/archives/000039.html

cheers

Libby

On Mon, 29 Sep 2003, Patrick Stickler wrote:

>
> 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 ;-)
>
> Patrick
>
>
>
>
>