Adam Schenker Horst Bunke Mark Last Abraham Kandel A Graph-Based Framework for Web Document Mining. 401-412 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3163&spage=401 2004 conf/das/2004 Document Analysis Systems db/conf/das/das2004.html#SchenkerBLK04