Search Machine Learning Repository: @incollection{NIPS2014_5456,
    Publisher = {Curran Associates, Inc.},
    Author = {Michalis Titsias and Christopher Yau},
    Url = {http://papers.nips.cc/paper/5456-hamming-ball-auxiliary-sampling-for-factorial-hidden-markov-models.pdf},
    Booktitle = {Advances in Neural Information Processing Systems 27},
    Title = {Hamming Ball Auxiliary Sampling for Factorial Hidden Markov Models},
    Editor = {Z. Ghahramani and M. Welling and C. Cortes and N.d. Lawrence and K.q. Weinberger},
    Year = {2014},
    Pages = {2960--2968}
   }