Keyphrases
- language model
- language modeling
- n gram
- speech recognition
- document retrieval
- language modelling
- probabilistic model
- query expansion
- retrieval model
- smoothing methods
- information retrieval
- context sensitive
- test collection
- query terms
- relevance model
- passage retrieval
- ad hoc information retrieval
- statistical language models
- translation model
- pseudo relevance feedback
- term dependencies
- language model for information retrieval
- language models for information retrieval
- okapi bm
- pseudo feedback
- word error rate
- machine learning
- bayesian networks
- visual features