Benz, Dominik and Körner, Christian and Hotho, Andreas and Stumme, Gerd and Strohmaier, Markus. One Tag to Bind Them All: Measuring Term Abstractness in Social Metadata. Proceedings of the 8th Extended Semantic Web Conference (ESWC 2011). editor(s) Antoniou, Grigoris and Grobelnik, Marko and Simperl, Elena and Parsia, Bijan and Plexousakis, Dimitris and Pan, Jeff and Leenheer, Pieter De. Heraklion, Crete, Year 2011.