Keyphrases
- pattern recognition
- classification accuracy
- pattern classification
- machine learning
- decision trees
- support vector machine
- feature space
- feature extraction
- classification algorithm
- classification scheme
- classification method
- data sets
- text classification
- natural language
- document classification
- multi class
- supervised learning
- natural language processing
- image classification
- classification systems
- support vector
- decision rules
- classification process
- semantic similarity
- semantic network
- automatic classification
- semantic features
- semantic information
- support vector machine svm
- information extraction
- feature vectors
- preprocessing
- social networks
- data mining
- neural network