The role of variance in term weighting for probabilistic information retrieval.
Warren R. GreiffWilliam T. MorganJay M. PontePublished in: CIKM (2002)
Keyphrases
- term weighting
- information retrieval
- text retrieval
- text categorization
- language modeling
- tf idf
- retrieval systems
- inverse document frequency
- vector space model
- term weights
- probabilistic model
- term frequency
- information retrieval systems
- generative model
- bayesian networks
- term weighting schemes
- search engine
- language model
- query terms
- document retrieval
- text classification
- digital libraries
- natural language processing
- document collections
- co occurrence
- machine learning