Semi-Supervised Screening of COVID-19 from Positive and Unlabeled Data with Constraint Non-Negative Risk Estimator.
Zhongyi HanRundong HeTianyang LiBenzheng WeiJian WangYilong YinPublished in: IPMI (2021)
Keyphrases
- semi supervised
- pairwise constraints
- conditional expectation
- semi supervised learning
- maximum likelihood
- positive and negative
- chance constraints
- active learning
- unsupervised learning
- least squares
- high risk
- pairwise
- unlabeled data
- risk management
- risk assessment
- labeled data
- multi view
- co training
- semi supervised clustering
- supervised learning
- decision making
- risk factors
- importance sampling
- semi supervised classification
- risk averse
- risk measures
- chance constrained
- pair wise constraints
- lower bound