Keyphrases
- pattern recognition
- user generated content
- automatic classification
- classification accuracy
- decision trees
- classification systems
- pattern classification
- image classification
- classification method
- machine learning
- classification process
- classification scheme
- classification algorithm
- benchmark datasets
- multimedia content
- decision rules
- class labels
- training samples
- feature vectors
- training set
- svm classifier
- neural network
- model selection
- support vector machine
- social networking
- social media
- training data
- feature extraction
- learning algorithm
- polarity classification