Stochastic Optimization of a Probabilistic Language Model.
M. D. DennisAlan M. WallingtonGeoffrey SampsonPublished in: ICGI (1994)
Keyphrases
- language model
- stochastic optimization
- probabilistic model
- language modeling
- context sensitive
- n gram
- document retrieval
- query expansion
- multistage
- speech recognition
- language modelling
- information retrieval
- bayesian networks
- test collection
- ad hoc information retrieval
- mixture model
- statistical language models
- graphical models
- smoothing methods
- retrieval model
- generative model
- query terms
- language modeling framework
- robust optimization
- divergence from randomness
- language model for information retrieval
- relevance model
- pseudo relevance feedback
- uncertain data
- posterior probability
- conditional probabilities
- expectation maximization