Rahat Iqbal Nazaraf Shah Anne E. James Babak Akhgar Muhammad Younas Kuo-Ming Chao Developing Ubiquitous Collaborating Multi-Agent Systems Based on QoS Requirements. 43-52 2006 conf/cscwd/2006lncs CSCWD (Selected Papers) http://dx.doi.org/10.1007/978-3-540-72863-4_5 db/conf/cscwd/cscwd2006lncs.html#IqbalSJAYC06