Keyphrases
- spam filtering
- semi supervised
- text classification
- semi supervised learning
- labeled data
- pairwise
- machine learning models
- anti spam
- supervised learning
- multi view
- unlabeled data
- spam filters
- active learning
- unsupervised learning
- co training
- subspace learning
- semi supervised clustering
- spam detection
- feature mapping
- pairwise constraints
- semi supervised classification
- spam classification
- metric learning
- manifold learning
- machine learning
- neural network
- data mining
- databases