Lyndon J. B. Nixon Robert Tolksdorf Alan Wood Ronaldo Menezes Coordinating Knowledge in Pervasive Environments. 74-79 2007 conf/wetice/2007 WETICE http://doi.ieeecomputersociety.org/10.1109/WETICE.2007.134 db/conf/wetice/wetice2007.html#NixonTWM07