Qingyuan Bai Jun Hong Michael F. McTear Scalable Query Reformulation Using Views in the Presence of Functional Dependencies. 471-482 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2762&spage=471 2003 conf/waim/2003 WAIM db/conf/waim/waim2003.html#BaiHM03