Sentiment visualization and classification via semi-supervised nonlinear dimensionality reduction.
Kyoungok KimJaewook LeePublished in: Pattern Recognit. (2014)
Keyphrases
- nonlinear dimensionality reduction
- semi supervised
- manifold learning
- feature extraction
- pattern recognition
- feature vectors
- classification accuracy
- data visualization
- low dimensional
- support vector
- image classification
- feature mapping
- dimensionality reduction methods
- machine learning
- supervised learning
- support vector machine
- image processing
- text classification
- sentiment classification
- feature space
- dimension reduction
- decision trees
- data analysis
- high dimensional data
- multi view
- nearest neighbor
- discriminant analysis
- semi supervised learning
- multi class classification
- riemannian manifolds
- high dimensional
- feature selection