Positive Unlabeled Learning with Class-prior Approximation.
Shizhen ChangBo DuLiangpei ZhangPublished in: IJCAI (2020)
Keyphrases
- prior knowledge
- positive and unlabeled examples
- learning process
- unsupervised learning
- positive examples
- online learning
- learning algorithm
- collaborative learning
- learning analytics
- inductive inference
- positive data
- text classification
- probability distribution
- maximum likelihood
- machine learning
- learning systems
- class labels
- learning problems
- reinforcement learning
- learning machines
- hypothesis space