Cost-Sensitive Spam Detection Using Parameters Optimization and Feature Selection.
Sang Min LeeDong Seong KimJong Sou ParkPublished in: J. Univers. Comput. Sci. (2011)
Keyphrases
- cost sensitive
- spam detection
- fraud detection
- multi class
- feature selection
- naive bayes
- cost sensitive classification
- cost sensitive learning
- misclassification costs
- class imbalance
- class distribution
- web spam
- support vector machine
- active learning
- text categorization
- machine learning
- text classification
- classification accuracy
- feature extraction
- high dimensionality
- data sets
- base classifiers
- k nearest neighbor
- supervised learning
- spam filtering
- information extraction
- feature space