Hierarchical Hidden Conditional Random Fields for Information Extraction.

Satoshi Kaneko Akira Hayashi Nobuo Suematsu Kazunori Iwata

Published in: LION (2011)

Keyphrases

information extraction
hidden conditional random fields
hidden markov models
natural language processing
free text
text mining
machine learning
named entities
precision and recall
information retrieval
non stationary
conditional random fields
visual speech recognition
natural language
human computer interaction