Sachio Hirokawa Eisuke Itoh Tetsuhiro Miyahara Semi-Automatic Construction of Metadata from a Series of Web Documents. 942-953 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2903&spage=942 2003 conf/ausai/2003 Australian Conference on Artificial Intelligence db/conf/ausai/ausai2003.html#HirokawaIM03