Keyphrases
- language model
- neural network
- language modeling
- information retrieval
- probabilistic model
- retrieval model
- document retrieval
- n gram
- query expansion
- speech recognition
- test collection
- pseudo relevance feedback
- statistical language models
- ad hoc information retrieval
- query terms
- language modelling
- language models for information retrieval
- vector space model
- document ranking
- machine learning
- passage retrieval
- relevance model
- retrieval effectiveness
- question answering
- pattern recognition
- clustering algorithm
- context sensitive
- term dependencies
- language model for information retrieval