Nicolas Lumineau Anne Doucet Bruno Defude Cluster Entries for Semantic Organization of Peer-to-Peer Network. 319-320 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3226&spage=319 2004 conf/icsnw/2004 ICSNW db/conf/icsnw/icsnw2004.html#LumineauDD04