Keyphrases
- language model
- context sensitive
- language modeling
- document retrieval
- dependency trees
- n gram
- information retrieval
- probabilistic model
- language modelling
- speech recognition
- contextual information
- retrieval model
- parse tree
- query expansion
- smoothing methods
- ad hoc information retrieval
- test collection
- language models for information retrieval
- document ranking
- document length
- query terms
- statistical language models
- translation model
- term dependencies
- natural language processing
- bayesian networks
- okapi bm
- vector space model
- statistical language modeling
- relevance model
- pseudo relevance feedback
- context dependent
- hidden markov models
- search engine