Liangmin Guo Shoubao Yang Leitao Guo Kai Shen Weina Lu Trust-aware Adaptive P2P Overlay Topology Based on Superpeer-partition. 117-124 2007 conf/gcc/2007 GCC http://doi.ieeecomputersociety.org/10.1109/GCC.2007.123 db/conf/gcc/gcc2007.html#GuoYGSL07