Vlado Keselj Haibin Liu Norbert Zeh Christian Blouin Chris Whidden Finding optimal parameters for edit distance based sequence classification is NP-hard. 17-21 2009 KDD Workshop on Statistical and Relational Learning in Bioinformatics http://doi.acm.org/10.1145/1562090.1562094 conf/kdd/2009srb db/conf/kdd/srb2009.html#KeseljLZBW09