danbri at w3.org
Fri Feb 6 10:02:08 UTC 2004
* Ian Davis <iand at internetalchemy.org> [2004-02-06 08:48+0000]
> Hi Marc,
> Thursday, February 5, 2004, 10:32:17 PM, you wrote:
> > Choo-Choo - all aboard!
> > Without being able ot tell who the FOAF is about - we got nothing.
> Ridiculous. Every foaf document clearly says who it's about, but it
> may be about more than one person.
The ones that use foaf:topic mention one or more things that they're
about. The ones that use foaf:made mention who made them. PPD is a
slight extension of 'I made this and I am one of its topics', which we
could say todo. PPD implies 'I made this and I am its primary topic'.
> What are the use cases for having a single document for a single
Not single; there could be others.
A lot of the export-from-social-network or other online accounts
are like this. A file all about some person. When the site is
operating on behalf of the described individual, PPD gives a way of
making that clear. Contrasting case is activist/political stuff,
eg. foafcorp, where the describer and the describee will often see
things rather differently.
> I can think of many where it's important to know that the
> statements being made are made by the person they're about but none
> where it's important that they're all self-contained in a single file.
Agreed. For any PPD, there is a person whose PPD it is. But for any
person, there may be many PPDs.
> Tell me which person my marriage certificate is "about". Then ask my
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