Keyphrases
- language model
- n gram
- language modeling
- out of vocabulary
- document representation
- translation model
- multiword
- probabilistic model
- document retrieval
- language modelling
- statistical language modeling
- retrieval model
- information retrieval
- test collection
- dependency structure
- query expansion
- speech recognition
- context sensitive
- word error rate
- statistical language models
- document level
- smoothing methods
- natural language
- linguistic features
- language model for information retrieval
- pseudo relevance feedback
- word segmentation
- part of speech
- query terms
- natural language processing
- document ranking
- query specific
- term dependencies
- bag of words
- relevance model
- vector space model
- text documents
- okapi bm
- ad hoc information retrieval
- feature selection
- language models for information retrieval
- search engine