Unsupervised Word Alignment Using Frequency Constraint in Posterior Regularized EM.
Hidetaka KamigaitoTaro WatanabeHiroya TakamuraManabu OkumuraPublished in: EMNLP (2014)
Keyphrases
- word alignment
- semi supervised
- unsupervised learning
- machine translation
- grammar induction
- statistical machine translation
- probabilistic model
- expectation maximization
- bayesian framework
- markov networks
- document classification
- cross lingual
- maximum likelihood
- machine translation system
- probability distribution
- semi supervised learning
- pairwise constraints
- markov random field
- pairwise
- posterior probability
- information retrieval
- posterior distribution
- bayesian inference
- language independent
- generative model
- graphical models
- co occurrence