W3C home > Mailing lists > Public > www-rdf-logic@w3.org > April 2001

Re: URIs / URLs

From: Sean B. Palmer <sean@mysterylights.com>
Date: Wed, 18 Apr 2001 18:12:27 +0100
Message-ID: <002801c0c82a$f9512440$64ec93c3@z5n9x1>
To: "Seth Russell" <seth@robustai.net>
Cc: <www-rdf-logic@w3.org>
> >      @prefix : <#> .
> >      <http://www.w3.org/People/Connolly/#Dan> :wrote
> >           <http://www.w3.org/People/Connolly/> .

Well, this is part of the same representation problem as usual... once
again, the general rule is:-

[[[
Not everything has a URI, as you can talk about something by just
using its properties. But using a URI allows other documents and
systems to easily reuse your information.

- http://www.w3.org/2000/10/swap/Primer
Tue, 20 Mar 2001 02:12:36 UTC
]]]

So you could represent Dan as an anonymous node:-

     [ a :Person; :name "Daniel W. Connolly";
        :hasHomepage <http://www.w3.org/People/Connolly/> ] .

But, as TimBL says "using a URI allows other documents and systems to
easily reuse your information", so that by giving these bunch of
properties a URI they become easier to reuse:-

     :DanC a :Person; :name "Daniel W. Connolly";
        :hasHomepage <http://www.w3.org/People/Connolly/> ] .

> (The Semantic Web)
>     isA Context ;
>     uri http://www.sciam.com/2001/0501issue/0501berners-lee.html ;

Blargh; it looks like you've reserved the right to use that URI to
identify the SW! Personally, I prefer the SW activity page [1], but
each to his or her own, I guess :-)

[1] http://www.w3.org/2001/sw/

--
Kindest Regards,
Sean B. Palmer
@prefix : <http://webns.net/roughterms/> .
:Sean :hasHomepage <http://purl.org/net/sbp/> .
Received on Wednesday, 18 April 2001 13:13:44 GMT

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