Estimation of stochastic context-free grammars and their use as language models.
José-Miguel BenedíJoan-Andreu SánchezPublished in: Comput. Speech Lang. (2005)
Keyphrases
- language model
- stochastic context free grammars
- language modeling
- probabilistic model
- language modelling
- document retrieval
- n gram
- query expansion
- speech recognition
- test collection
- information retrieval
- statistical language models
- retrieval model
- query terms
- smoothing methods
- hidden markov models
- relevance model
- vector space model
- bayesian networks
- retrieval effectiveness
- pseudo relevance feedback
- complex events