[rdfweb-dev] FOAF Use Case
danbri at w...
Tue Oct 22 14:04:31 UTC 2002
On Tue, 22 Oct 2002, Doug Ransom wrote:
> I guess the issue is that the person might change email addresses. But I
> suppose a once-owned-address property might work if they ever generate a
> foaf (I doubt they ever will anyway).
That's the subtle-ish bit. It is ok for people to own several email
addresses. And it is ok for them to stop using some of those addreses. If
we define the foaf:mbox property as relating the first owner of a mailbox
to their mailbox, it is still ok to say things like 'Dan Brickley was the
first owner of mailto:daniel.brickley at b...' even after I stop
actually using it for mail. Same goes for homepages etc., these are all
just different -- indirect -- ways of identifying someone via tiny little
descriptions. We don't confuse them with their homepages and mailboxes,
just describe them by reference to these things 'cos homepages and
mailboxes are much less controversial things to identify than people.
> -----Original Message-----
> From: Jim Ley [mailto:jim at j...]
> Sent: October 22, 2002 6:44 AM
> To: rdfweb-dev at yahoogroups.com
> Cc: Jim at j...
> Subject: Re: [rdfweb-dev] FOAF Use Case
> "Doug" <doug_ransom at t...>
> > I am currently using rdfpic to put descriptions of photographs into
> > those photos for a ski trip of last year. It would be nice if there
> > were a URI scheme to identify the members (none of whome have a foaf
> > file). I will eventually mine this data to produce a set of web
> > pages and and RDF index which I hope will survive for 50 years (lets
> > see how long xhtml 1 is supported by browsers).
> I assume you're using an old version of RDFPic as the current version
> lets you describe the people in the file in RDF aswell as just the
> Also, tools exist to do stuff with this information, converting it into
> SVG mostly...
> I don't use RDFPic, but my tool (
> http://jibbering.com/svg/AnnotateImage.html ) produces similar RDF (yes
> we interoperate...) and then I have various tools which take this RDF and
> produce various outputs, others not mentioned that page are
> http://jibbering.com/2002/8/img-desc.svg (or the talking version
> http://jibbering.com/2002/9/talking.html ) and
> http://jibbering.com/rdf/codepiction.1 all using the base RDF.
> To identify the people you can just not give them an email address, and
> there's no problem (well it would be useful if you could as otherwise we
> can't know that the person in one picture is the same as the person in
> another) e.g.
> <foaf:nick>freddie the frog</foaf:nick>
> <foaf:name>Fred Bloggs</foaf:name>
> You don't need an actual URI for the person.
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