Retrieval Based on Language Model with Relative Entropy and Feedback.
Hua HuoBoqin FengPublished in: PAKDD (2005)
Keyphrases
- language model
- relative entropy
- retrieval model
- document retrieval
- test collection
- query expansion
- ad hoc information retrieval
- information retrieval
- language modeling
- relevance feedback
- smoothing methods
- probabilistic model
- information theoretic
- n gram
- query terms
- information theory
- mixture model
- mutual information
- covariance matrix
- log likelihood
- information retrieval systems
- retrieval systems
- context sensitive
- translation model
- cross language
- document collections
- text classification
- graphical models