Homotopy-Based Semi-Supervised Hidden Markov Models for Sequence Labeling.
Gholamreza HaffariAnoop SarkarPublished in: COLING (2008)
Keyphrases
- hidden markov models
- sequence labeling
- semi supervised
- conditional random fields
- named entity recognition
- markov models
- semi supervised learning
- labeled and unlabeled data
- unlabeled data
- labeled data
- pairwise
- crf model
- active learning
- structured prediction
- maximum entropy
- dependency parsing
- supervised learning
- generative model
- multi view
- markov model
- unsupervised learning
- pairwise constraints
- graphical models
- approximate inference
- co training
- markov networks
- weakly supervised
- natural language
- belief propagation
- named entities
- training data
- higher order
- support vector machine
- probability distribution