Keyphrases
- social media
- training set
- machine learning
- pattern recognition
- classification systems
- classification algorithm
- decision trees
- feature extraction
- class labels
- cost sensitive
- image classification
- co training
- feature selection
- pattern classification
- classification scheme
- text classification
- support vector machine
- automatic classification
- classification models
- user generated content
- classification process
- brain image analysis
- machine learning methods
- classification method
- benchmark datasets
- unsupervised learning
- feature vectors
- feature space
- news articles
- text categorization
- training samples
- model selection
- multi view
- high dimensional
- semi supervised classification
- multimedia