Still working on Identity Pages.
FOAF stays for Friend Of A Friend, and it is a RDF machine-readable format used
to describe people, activities and relations with other people and resources.
FOAF can be used to describe yourself, friendship, workmate relationship, relations with web entities, etc...
FOAF allows to describe a Social Network without the need to have a central database, in fact every FOAF resource links other resources
distributed over Internet.
More infomations about FOAF here.
Why adopt FOAF?
Main search engines (Google and Yahoo to begin) have started a series of standardization
activities to enable interoperability among Social Networks, ( see SocialGraph).
On the point of view of our Customer, we're dealing with a large pre-existing Community
that has been recently enabled with OpenID profiles and relative Identity Provider service.
We are evaluating the possibility to expose FOAF profiles through user Identity Pages. The FOAF document would be dynamically generated
to represent the interconnections of users inside the Community.
The exposition of the FOAF document would be declared as service of a Yadis manifest.
Yadis is a Service Discovery System allowing Relying Parties (aka identity consumers or membersites) to determine automatically, without end-user intervention, the most appropriate protocol to use for authenticating a user and exchanging data.
To have an overview see: what is Yadis
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