Semantic Grounding of Tag Relatedness in Social Bookmarking Systems. In Amit P. Sheth, Steffen Staab, Mike Dean, Massimo Paolucci, Diana Maynard, Timothy W. Finin, und Krishnaprasad Thirunarayan (Hrsg.), The Semantic Web -- ISWC 2008, Proc.Intl. Semantic Web Conference 2008, (5318):615--631, Springer, Heidelberg, 2008. [PUMA: 2008 grounding iswc2008 itegpub myown relatedness semantic seminar2009 similarity sw tag tagging tagorapub] URL