GJM-2: A Special Case of General Jelinek-Mercer Smoothing Method for Language Modeling Approach to Ad Hoc IR.
Guodong DingBin WangPublished in: AIRS (2005)
Keyphrases
- jelinek mercer
- language modeling
- language model
- smoothing methods
- dirichlet prior
- language modeling approaches
- retrieval model
- information retrieval
- query expansion
- n gram
- probabilistic model
- mixture model
- relevance model
- language modeling framework
- document retrieval
- text classification
- term weighting
- vector space model
- unsupervised learning
- feature space
- similarity measure