Keyphrases
- language model
- evolutionary algorithm
- language modeling
- probabilistic model
- n gram
- language modelling
- query expansion
- smoothing methods
- differential evolution
- speech recognition
- information retrieval
- document retrieval
- test collection
- retrieval model
- document ranking
- genetic algorithm
- statistical language models
- language models for information retrieval
- query terms
- language model for information retrieval
- relevance model
- vector space model
- context sensitive
- bayesian networks
- passage retrieval
- pseudo relevance feedback
- word error rate
- retrieval effectiveness