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ICASSP
2011
IEEE
14 years 7 months ago
EM-style optimization of hidden conditional random fields for grapheme-to-phoneme conversion
We have recently proposed an EM-style algorithm to optimize log-linear models with hidden variables. In this paper, we use this algorithm to optimize a hidden conditional random ï...
Georg Heigold, Stefan Hahn, Patrick Lehnen, Herman...
JAIR
2010
119views more  JAIR 2010»
15 years 2 months ago
Active Tuples-based Scheme for Bounding Posterior Beliefs
The paper presents a scheme for computing lower and upper bounds on the posterior marginals in Bayesian networks with discrete variables. Its power lies in its ability to use any ...
Bozhena Bidyuk, Rina Dechter, Emma Rollon
DSVIS
2003
Springer
15 years 9 months ago
Derivation of a Dialog Model from a Task Model by Activity Chain Extraction
Kris Luyten, Tim Clerckx, Karin Coninx, Jean Vande...