Hai Zhuge Xiaoping Sun Jie Liu Erlin Yao Xue Chen A Scalable P2P Platform for the Knowledge Grid. 1721-1736 2005 17 IEEE Trans. Knowl. Data Eng. 12 http://doi.ieeecomputersociety.org/10.1109/TKDE.2005.190 db/journals/tkde/tkde17.html#ZhugeSLYC05