Keyphrases
- language model
- retrieval model
- document retrieval
- test collection
- query expansion
- language modeling
- inter document similarities
- language models for information retrieval
- information retrieval
- ad hoc information retrieval
- statistical language models
- smoothing methods
- relevance model
- query terms
- document ranking
- cross language retrieval
- n gram
- query generation
- language modelling
- probabilistic model
- document length
- query specific
- speech recognition
- statistical language modeling
- text retrieval
- pseudo feedback
- passage retrieval
- okapi bm
- context sensitive
- ir models
- vector space model
- document level
- term dependencies
- ad hoc retrieval
- retrieval effectiveness
- image retrieval
- language model for information retrieval
- tf idf
- image database
- relevance feedback
- term proximity
- term frequency
- pseudo relevance feedback
- average precision
- vector space
- query translation
- cross lingual
- relevant documents
- information retrieval systems
- probabilistic retrieval models
- multimedia