Positive-Unlabeled Classification under Class Prior Shift and Asymmetric Error.
Nontawat CharoenphakdeeMasashi SugiyamaPublished in: CoRR (2018)
Keyphrases
- class labels
- positive and unlabeled examples
- multi class classification
- supervised learning
- automatic classification
- classification accuracy
- prior knowledge
- training set
- prior probabilities
- classification scheme
- image classification
- classification algorithm
- pattern recognition
- error rate
- pattern classification
- text classification
- support vector machine svm
- machine learning
- decision trees
- training data
- support vector
- positive and negative
- multiclass classification
- positive examples
- benchmark datasets
- machine learning algorithms
- unlabeled data
- feature selection
- unsupervised learning
- support vector machine
- bayesian methods
- class specific
- training samples
- document classification
- cost sensitive
- cross validation
- data sets
- labeled data
- model selection
- feature space
- feature extraction
- neural network