A Maximum Entropy Tagger with Unsupervised Hidden Markov Models.

Jun'ichi Kazama Yusuke Miyao Jun'ichi Tsujii

Published in: NLPRS (2001)

Keyphrases

maximum entropy
hidden markov models
conditional random fields
markov models
named entity recognition
sequential data
maximum entropy principle
maximum entropy model
unsupervised learning
semi supervised
supervised learning
markov model
hidden states
baum welch
feature selection