Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- speech recognition
- information retrieval
- language modelling
- retrieval model
- query expansion
- test collection
- relevance model
- language models for information retrieval
- statistical language models
- query terms
- okapi bm
- vector space model
- document ranking
- ad hoc information retrieval
- language model for information retrieval
- information retrieval systems
- term dependencies
- translation model
- word error rate
- pseudo relevance feedback
- context sensitive
- text mining
- hidden markov models