Keyphrases
- semi supervised
- word segmentation
- named entity recognition
- text summarization
- labeled data
- semi supervised learning
- unlabeled data
- pairwise
- active learning
- chinese text
- supervised learning
- computational complexity
- unsupervised learning
- multi view
- co training
- np complete
- semi supervised classification
- keyword extraction
- np hard
- subspace learning
- shallow parsing
- n gram
- metric learning
- data sets
- chinese texts
- pairwise constraints
- language independent
- maximum entropy