2013
Detecting inappropriate access to electronic health records using collaborative filtering
Menon A, Jiang X, Kim J, Vaidya J, Ohno-Machado L. Detecting inappropriate access to electronic health records using collaborative filtering. Machine Learning 2013, 95: 87-101. PMID: 24683293, PMCID: PMC3967851, DOI: 10.1007/s10994-013-5376-1.Peer-Reviewed Original ResearchElectronic health recordsCollaborative filteringInappropriate accessHealth recordsSuspicious accessPrivacy policiesAccess patternsMachine learningManual auditingSecurity expertsLatent featuresAccess dataRecord accessHistorical dataSecurityFilteringUnrestricted accessFuture violationsAccessAudit processSVMUsersDatasetLearningAuditing
2011
Smooth isotonic regression: a new method to calibrate predictive models.
Jiang X, Osl M, Kim J, Ohno-Machado L. Smooth isotonic regression: a new method to calibrate predictive models. AMIA Joint Summits On Translational Science Proceedings 2011, 2011: 16-20. PMID: 22211175, PMCID: PMC3248752.Peer-Reviewed Original ResearchBiomedical data setsSupervised learning modelGood generalization abilityMachine learningPredictive modelGeneralization abilityProbabilistic outputsLearning modelData setsIsotonic regression methodNovel methodNon-parametric approachReliability diagramsProbability estimatesRegression methodNew methodLearning