## Learning dynamic Bayesian networks (1998)

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Venue: | Adaptive Processing of Sequences and Data Structures |

Citations: | 124 - 0 self |

### BibTeX

@INPROCEEDINGS{Ghahramani98learningdynamic,

author = {Zoubin Ghahramani},

title = {Learning dynamic Bayesian networks},

booktitle = {Adaptive Processing of Sequences and Data Structures},

year = {1998},

pages = {168--197},

publisher = {Springer-Verlag}

}

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### Abstract

Bayesian networks are directed acyclic graphs that represent dependencies between variables in a probabilistic model. Many time series models, including the hidden Markov models (HMMs) used in speech recognition and Kalman filter models used in filtering and control applications, can be viewed as examples of dynamic Bayesian networks. We first provide a brief tutorial on learning and Bayesian networks. We then present some dynamic Bayesian networks that can capture much richer structure than HMMs and Kalman filters, including spatial and temporal multiresolution structure, distributed hidden state representations, and multiple switching linear regimes. While exact probabilistic inference is intractable in these networks, one can obtain tractable variational approximations which call as subroutines the forward-backward and Kalman filter recursions. These approximations can be used to learn the model parameters...