Maria Karyda Stefanos Gritzalis Jong Hyuk Park A Critical Approach to Privacy Research in Ubiquitous Environments - Issues and Underlying Assumptions. 12-21 2007 conf/euc/2007w EUC Workshops http://dx.doi.org/10.1007/978-3-540-77090-9_2 db/conf/euc/eucw2007.html#KarydaGP07