Pari Delir Haghighi Shonali Krishnaswamy Arkady B. Zaslavsky Mohamed Medhat Gaber Reasoning about Context in Uncertain Pervasive Computing Environments. 112-125 2008 EuroSSC http://dx.doi.org/10.1007/978-3-540-88793-5_9 conf/eurossc/2008 db/conf/eurossc/eurossc2008.html#HaghighiKZG08