Cost-Sensitive Support Vector Ranking for Information Retrieval.
Fengxia WangXiao ChangPublished in: J. Convergence Inf. Technol. (2010)
Keyphrases
- cost sensitive
- information retrieval
- binary classification
- support vector
- learning to rank
- probability estimates
- support vector machine
- multi class
- misclassification costs
- cost sensitive learning
- loss function
- cost sensitive classification
- active learning
- search engine
- class imbalance
- web search
- ranking algorithm
- multi class classification
- class distribution
- feature ranking
- information retrieval systems
- naive bayes
- logistic regression
- directly optimize
- ranking models
- confidence weighted
- ranking functions
- training examples
- hyperplane
- retrieval systems
- classification accuracy
- evaluation measures
- cross validation
- probability estimation
- text mining
- kernel function
- feature set
- knowledge discovery
- feature selection