2019
Protecting patient privacy in survival analyses
Bonomi L, Jiang X, Ohno-Machado L. Protecting patient privacy in survival analyses. Journal Of The American Medical Informatics Association 2019, 27: 366-375. PMID: 31750926, PMCID: PMC7025359, DOI: 10.1093/jamia/ocz195.Peer-Reviewed Original ResearchConceptsPrivacy protectionPrivacy risksHealthcare applicationsPatient privacyPrivacy protection methodProvable privacy protectionStrong privacy protectionPerson of interestKnowledgeable adversaryDifferential privacySynthetic datasetsFormal modelEpidemiology datasetPrivacyNonparametric survival modelFuture research directionsAdversaryResearch directionsDatasetBiomedical research applicationsFrameworkFrequent sharingResearch applicationsApplicationsSharingSecure and Differentially Private Logistic Regression for Horizontally Distributed Data
Kim M, Lee J, Ohno-Machado L, Jiang X. Secure and Differentially Private Logistic Regression for Horizontally Distributed Data. IEEE Transactions On Information Forensics And Security 2019, 15: 695-710. DOI: 10.1109/tifs.2019.2925496.Peer-Reviewed Original ResearchPrivacy-preserving modelHomomorphic encryption techniqueDifferential privacy methodReal-world datasetsPrivacy methodsPrivate dataSensitive dataEncryption techniqueSecurity methodsDifferential privacyInformation leakageNaive solutionPrivacyNatural wayGood accuracyScientific collaborationData analysisEncouraging resultsMajor concernSecurityDatasetPotential leakageComputationScenariosPracticability
2014
Differentially private distributed logistic regression using private and public data
Ji Z, Jiang X, Wang S, Xiong L, Ohno-Machado L. Differentially private distributed logistic regression using private and public data. BMC Medical Genomics 2014, 7: s14. PMID: 25079786, PMCID: PMC4101668, DOI: 10.1186/1755-8794-7-s1-s14.Peer-Reviewed Original ResearchConceptsPrivate dataDifferential privacyPublic datasetsPublic dataRigorous privacy guaranteeData privacy researchPrivate data setsData mining modelsData setsProvable privacyPrivacy guaranteesMining modelPrivacy researchDifferent data setsArt frameworksMedical informaticsPrivacyAmount of noisePrivate methodsAuxiliary informationBetter utilityNew algorithmUpdate stepAvailable public dataAlgorithm
2012
Privacy-preserving heterogeneous health data sharing
Mohammed N, Jiang X, Chen R, Fung B, Ohno-Machado L. Privacy-preserving heterogeneous health data sharing. Journal Of The American Medical Informatics Association 2012, 20: 462-469. PMID: 23242630, PMCID: PMC3628047, DOI: 10.1136/amiajnl-2012-001027.Peer-Reviewed Original ResearchConceptsSet-valued dataDifferential privacyNoise additionPrivacy-preserving mannerAdversary's background knowledgeStrong privacy guaranteesBackground knowledgeHealth data sharingPrivacy modelPrivacy guaranteesSensitive dataData sharingHealthcare dataPrivate mannerAlgorithm designPrivacyRaw dataSynthetic dataAlgorithmHealth dataProbabilistic wayDiscriminative analysisExperimental resultsUseful informationClassification analysisSHARE: system design and case studies for statistical health information release
Gardner J, Xiong L, Xiao Y, Gao J, Post A, Jiang X, Ohno-Machado L. SHARE: system design and case studies for statistical health information release. Journal Of The American Medical Informatics Association 2012, 20: 109-116. PMID: 23059729, PMCID: PMC3555328, DOI: 10.1136/amiajnl-2012-001032.Peer-Reviewed Original ResearchConceptsDifferential privacy frameworkPrivacy frameworkDifferential privacyMultidimensional histogramsReal medical datasetsMedical data warehouseOriginal data distributionInformation releaseHigh-dimensional dataBreast cancer datasetPattern queriesMedical datasetsElectronic medical record datasetHeterogeneous dataData warehouseUse casesElectronic health recordsMedical domainBiomedical dataThree-dimensional data cubeArt methodsData distributionMedical dataDimensional dataData cubeA randomized response model for privacy-preserving data dissemination
Jiang X, Wang S, Ji Z, Ohno-Machado L, Xiong L. A randomized response model for privacy-preserving data dissemination. 2012, 1: 138-138. DOI: 10.1109/hisb.2012.63.Peer-Reviewed Original ResearchPrivacy protectionPrivacy-preserving data disseminationDifferential privacy guaranteeData dissemination mechanismStrong privacy protectionData receiverSensitive personal informationReal-world datasetsPrivacy guaranteesDifferential privacyData disseminationPrivacy risksData usabilityPerturbed dataPersonal informationMedical dataClassification accuracyInformation lossDissemination mechanismImproper disclosureIdentity mappingBig concernExperimental resultsRecovery procedurePatient records