Eunyee Koh Daniel Caruso Andruid Kerne Ricardo Gutierrez-Osuna Elimination of junk document surrogate candidates through pattern recognition. 187-195 2007 ACM Symposium on Document Engineering http://doi.acm.org/10.1145/1284420.1284466 conf/doceng/2007 db/conf/doceng/doceng2007.html#KohCKG07