@techreport{Nanasi2012,
 author={Michal Nanasi and  Tomas Vinar and  Brona Brejova},
 title={{Sequence Annotation with HMMs: New Problems and Their Complexity}},
 number={arXiv:1210.2587},
 institution={arXiv.org},
 month={October},
 year={2012}
}