Keyphrases
- passage retrieval
- language model
- document retrieval
- language modeling
- retrieval model
- probabilistic model
- speech recognition
- n gram
- query expansion
- information retrieval
- document ranking
- sentence retrieval
- relevance model
- language modelling
- test collection
- query terms
- vector space model
- document structure
- smoothing methods
- okapi bm
- low level
- natural language
- document level
- pseudo relevance feedback
- text classification
- image classification
- web search