Parameter Estimation for Constrained Context-Free Language Models.
Kevin MarkMichael MillerUlf GrenanderSteve AbneyPublished in: HLT (1992)
Keyphrases
- parameter estimation
- language model
- context free
- context sensitive
- language modeling
- maximum likelihood
- context dependent
- information retrieval
- document retrieval
- probabilistic model
- markov random field
- grammatical inference
- query expansion
- retrieval model
- least squares
- model selection
- test collection
- statistical models
- n gram
- em algorithm
- inductive inference
- finite state
- expectation maximization
- structure learning
- context free grammars
- vector space model
- pseudo relevance feedback
- query terms
- hidden markov models
- data mining