Keyphrases
- pattern recognition
- classification accuracy
- classification scheme
- automatic classification
- text classification
- feature extraction
- classification method
- social media
- support vector machine svm
- image classification
- polarity classification
- text messages
- multi class
- feature space
- support vector
- class labels
- classification algorithm
- feature vectors
- pattern classification
- classification models
- classification rate
- classification process
- spam filtering
- topic detection
- decision trees
- social networks