Friend of a Friend (FOAF)
Mr. D.I. foaf:knows StefanMr. D.I. foaf:knows DavidMr. D.I. foaf:knows PatMr. D.I. foaf:knows Christoph
- personal "homepages" in RDF
- FOAF is defining a vocabulary to describe what a person does, who a person knows, etc.
- first "social networking" data format based on RDF, without specific applications defined in the beginning ("foaf: semantic web vapourware for the masses")
http://www.isi.edu/~aharth/foaf.rdf
FOAF-a-matic (create your FOAF homepage now!)