Keyphrases
- language model
- n gram
- part of speech
- language modeling
- document retrieval
- probabilistic model
- multiword
- information retrieval
- language independent
- context sensitive
- linguistic features
- retrieval model
- test collection
- natural language processing
- query expansion
- bag of words
- relevance model
- word segmentation
- query terms
- translation model
- text classification
- vector space model
- pseudo relevance feedback