John Brooke Donal Fellows Kevin L. Garwood Carole A. Goble Semantic Matching of Grid Resource Descriptions. 240-249 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3165&spage=240 2004 conf/eagc/2004 European Across Grids Conference db/conf/eagc/eagc2004.html#BrookeFGG04