Julia Luxenburger Gerhard Weikum Exploiting Community Behavior for Enhanced Link Analysis and Web Search. 2007 conf/dagstuhl/2007P7071 Web Information Retrieval and Linear Algebra Algorithms http://drops.dagstuhl.de/opus/volltexte/2007/1066 db/conf/dagstuhl/P7071.html#LuxenburgerW07