Andrew U. Frank Eva Grum Bérengère Vasseur Procedure to Select the Best Dataset for a Task. 81-93 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3234&spage=81 2004 conf/giscience/2004 GIScience db/conf/giscience/giscience2004.html#FrankGV04