A hierarchical approach to mood classification in blogs.
Fazel KeshtkarDiana InkpenPublished in: Nat. Lang. Eng. (2012)
Keyphrases
- classification accuracy
- automatic classification
- decision trees
- machine learning
- hierarchical classification
- supervised learning
- pattern recognition
- feature extraction
- classification models
- pattern classification
- classification method
- classification algorithm
- class labels
- decision rules
- preprocessing
- classification systems
- supervised classification
- coarse to fine
- hierarchical structure
- cross validation
- support vector machine svm
- semi supervised
- svm classifier
- image classification
- machine learning methods
- keywords
- social media
- feature vectors
- website
- classification rate
- feature space
- support vector
- social networking sites
- data mining