Keyphrases
- accurate classification
- pattern recognition
- classification accuracy
- decision trees
- classification scheme
- feature selection
- ordinal data
- ranking algorithm
- machine learning
- web search
- image classification
- feature vectors
- classification process
- unsupervised learning
- classification method
- pattern classification
- support vector
- feature space
- feature extraction
- spam detection
- classification rate
- automatic classification
- cost sensitive
- training samples
- text classification
- feature set
- nearest neighbor
- training set