Shengli Wu Fabio Crestani Forbes Gibb New Methods of Results Merging for Distributed Information Retrieval. 84-100 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2924&spage=84 2003 conf/sigir/2003dmir Distributed Multimedia Information Retrieval db/conf/sigir/sigir2003dmir.html#WuCG03