Bridging Language Modeling and Divergence from Randomness Models: A Log-Logistic Model for IR.
Stéphane ClinchantÉric GaussierPublished in: ICTIR (2009)
Keyphrases
- language modeling
- language model
- divergence from randomness
- logistic model
- retrieval model
- ir models
- language modelling
- information retrieval
- query expansion
- term dependencies
- probabilistic model
- logistic regression
- n gram
- document retrieval
- language modeling framework
- relevance model
- tf idf
- training data
- knn
- text retrieval