Yang Li Jinpeng Huai Ting Deng Hailong Sun Huipeng Guo Zongxia Du QoS-aware Service Composition in Service Overlay Networks. 703-710 2007 conf/icws/2007 ICWS http://doi.ieeecomputersociety.org/10.1109/ICWS.2007.148 db/conf/icws/icws2007.html#LiHDSGD07