Ronny Siebes Spyros Kotoulas pRoute: Peer selection using shared term similarity matrices. 89-107 2007 5 Web Intelligence and Agent Systems 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1570-1263&volume=5&issue=1&spage=89 db/journals/wias/wias5.html#SiebesK07