Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- speech recognition
- document retrieval
- information retrieval
- query expansion
- retrieval model
- ad hoc information retrieval
- context sensitive
- digital libraries
- mixture model
- language modelling
- language model for information retrieval
- vector space model
- statistical language models
- query terms
- pseudo relevance feedback
- document ranking
- test collection
- cross lingual
- federated search
- word clouds
- document clustering
- translation model
- multiword
- smoothing methods
- word error rate
- information extraction
- search engine