Social Networks on the Semantic Web

by Jennifer Golbeck

My previous two posts have discussed social networks and FOAF, the Semantic Web social networking project. For those of you interested in FOAF or RDF, here is a list of the networks I've found that output FOAF.





























































































































Website




Approximate
Number of
Members




Category




FOAF
Output




Relationship
Information





1. Buzznet 86,000 Photos Yes No
2. eCademy 72,000 Business Yes Yes














Relationship Type Values
rating numeric 0(no opinion), 1 (good)
3. FilmTrust 600 Social/Entertainment and Movies Yes Yes














Relationship Type Values
Trust integer 1-10
4. LiveJournal 7,750,000 Blogging Yes Yes














Relationship Type Values
Friend group user created groups arbitrary
5. Tribe 300,000 Social/Entertainment Yes Yes













Relationship Type Values
Testimonial Free text N/A
6. Trust Project 1,700 Research Yes Yes














Relationship Type Values
Trust numeric 1-10
7. Zopto 10,500 Social/Entertainment Yes No


Total Number of Members: 8,220,800




Know of more networks using FOAF? Let us all know about them...