[foaf-dev] spec update: FOAF 0.91 ("OpenID Edition"), Wiki repaired, and new diagram

Dan Brickley danbri at danbri.org
Sun Nov 4 14:27:18 GMT 2007

Hi all

Having fixed some sysadmin backlog (cvs 2 svn migration for both 
xmlns.com and foaf-project.org, see [1]) I posted a modest revision to 
the FOAF specification late friday night. Apologies for the delay 
announcing it. Details (from the document itself):

FOAF Vocabulary Specification 0.91
Namespace Document 2 November 2007 - OpenID Edition
This version:
Latest version:
Previous version:

As always, the spec has changes section with details, from 
     * terms: added foaf:openid
     * editorial: updated links to the FOAF wiki (which now supports 
OpenID for logins)
     * editorial: spec now uses RDFa DTD declaration.

This revision incorporates the foaf:openid property, which was already 
in the RDF and in informal use since June/July. The property foaf:openid 
relates an Agent to a Document, see 
http://xmlns.com/foaf/spec/20071002.html#term_openid for current prose 
definition. I don't expect the basic nature of the property to need much 
further change, but the descriptive prose is a little wooden; I'd like 
to see that improved in a future version of the spec.

I'm also happy to say the FOAF Wiki is back up. Old URLs should redirect 
to wiki.foaf-project.org where you'll find a MediaWiki installation 
replacing the old spam-ravaged MoinMoin installation. I brought across 
320 pages from the old system, including plenty of offtopic stuff from 
me and others, but ommitting a lot of spamjunk. I've tagged them into 
broad Category: sections, and set up MediaWiki with Evan Prodromou's 
OpenID extension. Thanks to Evan both for a great extension, and for 
help and advice while I was setting things up. I encourage folk here to 
use OpenID whenever editing the FOAF wiki, as this will help us come up 
with better anti-spam mechanisms in the future. You can do an OpenID 
login using the link in the top-right of the page. OpenID fans might 
also want to check out the whitelist-related work happening at the MIT 
DIG group, see [2].

Last thing to mention, I've been trying out some ideas for a diagram to 
summarise the core of the FOAF vocabulary (and its relationship to 
neighbours such as DOAP, SIOC, DC etc). I made a couple of blog posts on 
this, [3] but also just now checked the files into Subversion on the 
FOAF site, [4]. Suggestions, feedback etc welcomed.



[1] http://danbri.org/words/2007/10/30/220
[2] http://dig.csail.mit.edu/breadcrumbs/node/206
[3] http://danbri.org/words/2007/11/04/223
[4] http://xmlns.com/foaf/spec/images/foafspec.jpg

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