Keyphrases
- language model
- domain specific
- retrieval model
- document retrieval
- test collection
- ad hoc information retrieval
- query expansion
- information retrieval
- language modeling
- cross language retrieval
- query terms
- statistical language models
- language models for information retrieval
- smoothing methods
- probabilistic model
- document length
- query specific
- relevance model
- web page retrieval
- document ranking
- n gram
- dependency structure
- trec test collections
- language modelling
- context sensitive
- speech recognition
- ir models
- jelinek mercer
- pseudo relevance feedback
- retrieval effectiveness
- document level
- vector space model
- retrieval systems
- mixture model
- term dependencies
- tf idf
- natural language
- image retrieval
- statistical language modeling
- information retrieval systems
- pseudo feedback
- word clouds
- relevance feedback
- relevant documents
- cross language
- term frequency
- divergence from randomness
- okapi bm
- term weighting
- translation model