Flat and Hierarchical Classifiers for Detecting Emotion in Tweets.
Giulio AngianiStefano CagnoniNatalia ChuzhikovaPaolo FornacciariMonica MordoniniMichele TomaiuoloPublished in: AI*IA (2016)
Keyphrases
- hierarchical models
- support vector
- classifier training
- training data
- social media
- facial expressions
- test set
- feature selection
- decision trees
- virtual humans
- linear classifiers
- news articles
- machine learning methods
- machine learning algorithms
- named entities
- hierarchical structure
- svm classifier
- class labels
- extracted features
- supervised classification
- classification algorithm
- ensemble learning
- classification systems
- training samples
- multiple classifiers
- multi class
- information extraction