Atif Manzoor Hong Linh Truong Schahram Dustdar Using Quality of Context to Resolve Conflicts in Context-Aware Systems. 144-155 2009 QuaCon http://dx.doi.org/10.1007/978-3-642-04559-2_13 conf/quacon/2009 db/conf/quacon/quacon2009.html#ManzoorTD09