A Generative Dependency N-gram Language Model: Unsupervised Parameter Estimation and Application.
Chenchen DingMikio YamamotoPublished in: Inf. Media Technol. (2014)
Keyphrases
- n gram
- language model
- parameter estimation
- language modeling
- language modelling
- maximum likelihood
- document retrieval
- information retrieval
- least squares
- statistical models
- probabilistic model
- em algorithm
- language independent
- markov random field
- bag of words
- expectation maximization
- model selection
- retrieval model
- mixture model
- unsupervised learning
- query expansion
- text classification
- statistical language modeling
- higher order
- text retrieval
- knowledge discovery
- posterior distribution
- generative model
- structure learning
- word segmentation
- cross lingual
- gibbs sampling
- pseudo relevance feedback
- semi supervised
- test collection