Zhiming Wang John A. Miller Jessica C. Kissinger Rui Wang Douglas Brewer Cristina Aurrecoechea 437-444 2008 SERVICES I http://doi.ieeecomputersociety.org/10.1109/SERVICES-1.2008.69 conf/services/2008-1 db/conf/services/services2008-1.html#WangMKWBA08