Zhiguo Lu Bo Ling Weining Qian Wee Siong Ng Aoying Zhou A Distributed Ranking Strategy in Peer-to-Peer Based Information Retrieval Systems. 279-284 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3007&spage=279 2004 conf/apweb/2004 APWeb db/conf/apweb/apweb2004.html#LuLQNZ04