@article{DBLP:journals/ml/FineST98,
author = {Shai Fine and
Yoram Singer and
Naftali Tishby},
title = {The Hierarchical Hidden Markov Model: Analysis and Applications},
journal = {Machine Learning},
volume = {32},
number = {1},
year = {1998},
pages = {41-62},
ee = {http://dx.doi.org/10.1023/A:1007469218079},
bibsource = {DBLP, http://dblp.uni-trier.de}
}