Melanie Aurnhammer Peter Hanappe Luc Steels Augmenting Navigation for Collaborative Tagging with Emergent Semantics. 58-71 2006 conf/semweb/2006 International Semantic Web Conference http://dx.doi.org/10.1007/11926078_5 db/conf/semweb/iswc2006.html#AurnhammerHS06