%0 Conference Paper %1 Mika2005 %A Mika, Peter %B International Semantic Web Conference %D 2005 %I Springer %K 2.0 clustering folksonomy kdubiq ontology semantic socialsoftware sosbuch summerschool tagging taggingsurvey web %P 522-536 %T Ontologies Are Us: A Unified Model of Social Networks and Semantics %U http://www.cs.vu.nl/~pmika/research/papers/ISWC-folksonomy.pdf