[rdfweb-dev] FOAF auto-discovery <link> attributes

Sami Haahtinen ressu at ressukka.net
Thu Sep 18 18:25:59 UTC 2003

On Wed, 2003-09-17 at 21:20, Kevin Reid wrote:
> Sami Haahtinen <ressu at ressukka.net> wrote:
> > At first thought, i would have agreed also. But if you think of it,
> > rel="alternative" is used to define alterenative versions of the _same_
> > page, for example RSS, layoutless and so on. foaf doesn't really fit
> > this description. On the other hand, when you think of it some more what
> > foaf really does is, that it provides extra info about the page like:
> > author, author relations and so on. 
> Taking Dan Brickley as an example:
> <http://rdfweb.org/people/danbri/> contains:
>   ... Email: <a href="mailto:danbri at w3.org">danbri at w3.org</a> (main
> mailbox); ...
> <http://rdfweb.org/people/danbri/rdfweb/danbri-foaf.rdf> contains:
>   ... <mbox rdf:resource="mailto:danbri at w3.org"/> ...
> This is approximately the same information, in an alternate form.

While the above is correct, the foaf file contains just a fraction of
the data that the main page has. although the foaf file has some of the
data (like RSS alternatives contain headlines and links) the same foaf
file applies to more than one page.

> Also, danbri-foaf.rdf does not contain any information about
> <http://rdfweb.org/people/danbri/>, other than that it is Dan Brickley's
> foaf:homepage. Therefore it is not (primarily) metadata with respect to
> the HTML document.

I agree, it's not really metadata and it's not an alternative format..
so what is it?

Regards, Sami

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