Text Learning and Hierarchical Feature Selection in Webpage Classification.
Xiaogang PengZhong MingHaitao WangPublished in: ADMA (2008)
Keyphrases
- feature selection
- unsupervised learning
- supervised learning
- learning algorithm
- hierarchical classification
- incremental learning
- classification accuracy
- selective sampling
- supervised machine learning
- learning process
- method for feature selection
- feature generation
- decision trees
- feature extraction
- feature set
- text classification
- support vector machine
- discriminative features
- learning phase
- multi task
- machine learning
- multi category
- supervised and unsupervised learning
- information retrieval
- irrelevant features
- discriminative learning
- small sample
- support vector
- pattern recognition
- feature subset
- learning problems
- class labels
- naive bayes
- feature space
- natural language processing
- feature vectors
- multi class