Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- n gram
- retrieval model
- speech recognition
- language modelling
- query expansion
- information retrieval
- statistical language models
- test collection
- ad hoc information retrieval
- training set
- language models for information retrieval
- word error rate
- language model for information retrieval
- smoothing methods
- passage retrieval
- pseudo relevance feedback
- context sensitive
- query terms
- relevance model
- vector space model
- okapi bm
- cross lingual
- text retrieval
- pseudo feedback
- natural language processing
- search engine
- machine learning