Branislav Durian Jan Holub Hannu Peltola Jorma Tarhio Tuning BNDM with q-Grams. 29-37 2009 ALENEX http://www.siam.org/proceedings/alenex/2009/alx09_003_durianb.pdf conf/alenex/2009 db/conf/alenex/alenex2009.html#DurianHPT09