Bayesian extension to the language model for ad hoc information retrieval.
Hugo ZaragozaDjoerd HiemstraMichael E. TippingPublished in: SIGIR (2003)
Keyphrases
- ad hoc information retrieval
- language model
- language modeling
- document retrieval
- improve retrieval accuracy
- retrieval model
- information retrieval
- probabilistic model
- dirichlet prior
- n gram
- query expansion
- context sensitive
- test collection
- smoothing methods
- pseudo relevance feedback
- bayesian networks
- vector space model
- maximum likelihood
- query terms
- inter document similarities
- digital libraries