Ge Yu Xiaoguang Li Yubin Bao Daling Wang Evaluating Document-to-Document Relevance Based on Document Language Model: Modeling, Implementation and Performance Evaluation. 593-603 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3406&spage=593 2005 conf/cicling/2005 CICLing db/conf/cicling/cicling2005.html#YuLBW05