Keyphrases
- hierarchical classification
- empirical risk
- training data
- support vector
- linear classifiers
- feature selection
- support vector machine
- classifier systems
- risk assessment
- risk factors
- classification algorithm
- training set
- learning phase
- risk management
- accurate estimation
- classifier training
- risk measures
- classification scheme
- hierarchical structure
- classification method
- svm classifier
- class labels
- training samples
- decision trees
- estimation algorithm
- machine learning
- hierarchical clustering
- estimation accuracy
- high risk
- hierarchical model
- false positives
- classifier combination
- learning algorithm