Probabilistic Document Length Priors for Language Models.
Roi BlancoAlvaro BarreiroPublished in: ECIR (2008)
Keyphrases
- language model
- document length
- dirichlet prior
- probabilistic model
- language modeling
- smoothing methods
- context sensitive
- n gram
- document retrieval
- information retrieval
- generative model
- retrieval model
- bayesian networks
- test collection
- retrieval systems
- mixture model
- query expansion
- pseudo relevance feedback
- document ranking
- query terms
- ir models
- topic models
- vector space model
- document representation
- retrieved documents
- scoring function
- term weighting
- text retrieval
- text classification
- co occurrence