George Lee Peyman Faratin Steven Bauer John Wroclawski A User-Guided Cognitive Agent for Network Service Selection in Pervasive Computing Environments. 219-228 2004 conf/percom/2004 PerCom http://csdl.computer.org/comp/proceedings/percom/2004/2090/00/20900219abs.htm db/conf/percom/percom2004.html#LeeFBW04