Keyphrases
- black box
- language model
- language modeling
- n gram
- black boxes
- document retrieval
- speech recognition
- language modelling
- probabilistic model
- statistical language models
- information retrieval
- retrieval model
- query expansion
- white box
- test collection
- mixture model
- ad hoc information retrieval
- context sensitive
- test cases
- smoothing methods
- translation model
- integration testing
- white box testing
- document ranking
- relevance model
- relevant documents
- pseudo feedback
- query language
- machine learning
- vector space model
- query terms
- relational databases
- decision trees
- learning algorithm