Semantics, Web and Mining Joint International Workshops, EWMF 2005 and KDO 2005, Porto, Portugal, October 3-7, 2005, Revised Selected Papers - Ackermann, Markus; Berendt, Bettina; Grobelnik, Marko; Hotho, Andreas; Mladenič, Dunja; Semeraro, Giovanni; Spiliopoulou, Myra; Stumme, Gerd; Svátek, Vojtěch; Someren, Maarten van (Springer Berlin Heidelberg, 2006)