2023
WICOX: Weight-Based Integrated Cox Model for Time-to-Event Data in Distributed Databases Without Data-Sharing
Park J, Kim T, Kim J, Park Y. WICOX: Weight-Based Integrated Cox Model for Time-to-Event Data in Distributed Databases Without Data-Sharing. IEEE Journal Of Biomedical And Health Informatics 2023, 27: 526-537. PMID: 36318551, DOI: 10.1109/jbhi.2022.3218585.Peer-Reviewed Original ResearchConceptsLarge-scale biomedical dataPrivacy-preserving mannerPrivacy-protecting methodsCommon data modelPrivacy issuesDistributed DatabaseBiomedical dataData modelData networksIterative communicationCentralized modelPatient-level informationEvent dataSimulation resultsNon-iterative methodPredictive performanceRobust characteristicsRobust resultsMultiple institutionsDatabaseIntegrated modelAlgorithmNetworkCommunicationModel
2021
Privacy-protecting, reliable response data discovery using COVID-19 patient observations
Kim J, Neumann L, Paul P, Day M, Aratow M, Bell D, Doctor J, Hinske L, Jiang X, Kim K, Matheny M, Meeker D, Pletcher M, Schilling L, SooHoo S, Xu H, Zheng K, Ohno-Machado L, Anderson D, Anderson N, Balacha C, Bath T, Baxter S, Becker-Pennrich A, Bernstam E, Carter W, Chau N, Choi Y, Covington S, DuVall S, El-Kareh R, Florian R, Follett R, Geisler B, Ghigi A, Gottlieb A, Hu Z, Ir D, Knight T, Koola J, Kuo T, Lee N, Mansmann U, Mou Z, Murphy R, Neumann L, Nguyen N, Niedermayer S, Park E, Perkins A, Post K, Rieder C, Scherer C, Soares A, Soysal E, Tep B, Toy B, Wang B, Wu Z, Zhou Y, Zucker R. Privacy-protecting, reliable response data discovery using COVID-19 patient observations. Journal Of The American Medical Informatics Association 2021, 28: 1765-1776. PMID: 34051088, PMCID: PMC8194878, DOI: 10.1093/jamia/ocab054.Peer-Reviewed Original Research
2020
Privacy-preserving model learning on a blockchain network-of-networks
Kuo T, Kim J, Gabriel R. Privacy-preserving model learning on a blockchain network-of-networks. Journal Of The American Medical Informatics Association 2020, 27: 343-354. PMID: 31943009, PMCID: PMC7025358, DOI: 10.1093/jamia/ocz214.Peer-Reviewed Original ResearchConceptsNetwork topologyExecution timeArt methodsPredictive correctnessPrivacy-preserving learningPrivacy-preserving methodsPrivacy-preserving modelSmall training datasetBlockchain networkBlockchain platformBlockchain technologyPrivacy concernsModel learningComplex dataLearning iterationsLearning methodsTraining datasetConsensus algorithmGeneralizable predictive modelsCorrectness resultsModel disseminationHierarchical networkSmall dataHierarchical approachRecord model
2014
GAMUT: GPU accelerated microRNA analysis to uncover target genes through CUDA-miRanda
Wang S, Kim J, Jiang X, Brunner S, Ohno-Machado L. GAMUT: GPU accelerated microRNA analysis to uncover target genes through CUDA-miRanda. BMC Medical Genomics 2014, 7: s9. PMID: 25077821, PMCID: PMC4101446, DOI: 10.1186/1755-8794-7-s1-s9.Peer-Reviewed Original ResearchConceptsCompute Unified Device ArchitectureGraphics processing unitsHigh performance computeParallel computingNVIDIA Compute Unified Device ArchitectureUnified Device ArchitectureMultiple test datasetsGiga cell updatesTimes performance gainsSmith-Waterman algorithmGPU developersSW implementationSource codeExecution timeGHz CPUIntel XeonLong reference sequencesProcessing unitTarget identification algorithmCell updatesTest datasetProjects/Such large scalePerformance gainsBiomedical research communityHUGO: Hierarchical mUlti-reference Genome cOmpression for aligned reads
Li P, Jiang X, Wang S, Kim J, Xiong H, Ohno-Machado L. HUGO: Hierarchical mUlti-reference Genome cOmpression for aligned reads. Journal Of The American Medical Informatics Association 2014, 21: 363-373. PMID: 24368726, PMCID: PMC3932469, DOI: 10.1136/amiajnl-2013-002147.Peer-Reviewed Original ResearchConceptsBase quality valuesCompression algorithmStorage savingsGenome compressionSequence Alignment/Map (SAM) formatCompression ratioNovel compression algorithmComparable compression ratioCompression mechanismK-means clusteringDifferent reference genomesQuality valuesDecompression qualityLossless compressionExecution timeCompression rateAligned readsMap formatAlgorithmBiomedical communityDifferent quality valuesExperimental datasetsAdaptive schemeStorage capabilityArchiving
2013
DNA-COMPACT: DNA COMpression Based on a Pattern-Aware Contextual Modeling Technique
Li P, Wang S, Kim J, Xiong H, Ohno-Machado L, Jiang X. DNA-COMPACT: DNA COMpression Based on a Pattern-Aware Contextual Modeling Technique. PLOS ONE 2013, 8: e80377. PMID: 24282536, PMCID: PMC3840021, DOI: 10.1371/journal.pone.0080377.Peer-Reviewed Original ResearchConceptsReference-free compressionDisk storage capacityCompression algorithmDecompression costData transferringArt algorithmsCompression performanceFile sizeGenome compressionCompression rateBit rateAlgorithmDNA compressionBiomedical researchersPerformance advantagesGenome dataModeling techniquesContextual modelImportant concernResearch purposesCompressionPerformanceStorage capacityBitsReference sequenceComparison of four prediction models to discriminate benign from malignant vertebral compression fractures according to MRI feature analysis.
Thawait S, Kim J, Klufas R, Morrison W, Flanders A, Carrino J, Ohno-Machado L. Comparison of four prediction models to discriminate benign from malignant vertebral compression fractures according to MRI feature analysis. American Journal Of Roentgenology 2013, 200: 493-502. PMID: 23436836, DOI: 10.2214/ajr.11.7192.Peer-Reviewed Original ResearchAdultAgedAged, 80 and overAlgorithmsCohort StudiesComputer SimulationDiagnosis, DifferentialFemaleFractures, CompressionHumansImage EnhancementImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedModels, BiologicalNeoplasmsPattern Recognition, AutomatedReproducibility of ResultsSensitivity and SpecificitySpinal FracturesYoung Adult
2012
A patient-driven adaptive prediction technique to improve personalized risk estimation for clinical decision support
Jiang X, Boxwala A, El-Kareh R, Kim J, Ohno-Machado L. A patient-driven adaptive prediction technique to improve personalized risk estimation for clinical decision support. Journal Of The American Medical Informatics Association 2012, 19: e137-e144. PMID: 22493049, PMCID: PMC3392846, DOI: 10.1136/amiajnl-2011-000751.Peer-Reviewed Original ResearchiDASH: integrating data for analysis, anonymization, and sharing
Ohno-Machado L, Bafna V, Boxwala A, Chapman B, Chapman W, Chaudhuri K, Day M, Farcas C, Heintzman N, Jiang X, Kim H, Kim J, Matheny M, Resnic F, Vinterbo S, team A. iDASH: integrating data for analysis, anonymization, and sharing. Journal Of The American Medical Informatics Association 2012, 19: 196-201. PMID: 22081224, PMCID: PMC3277627, DOI: 10.1136/amiajnl-2011-000538.Commentaries, Editorials and LettersConceptsHigh-performance computing environmentPrivacy-preserving mannerCollaborative tool developmentData-sharing capabilitiesData ownersComputing environmentData consumersBiomedical computingHealth Insurance PortabilityTechnology researchTool developmentAccountability ActBiological projectsBiological dataInsurance PortabilityAnonymizationComputingPortabilityBehavioral researchersAlgorithmSoftwareCloudNew National CenterDataCapability
2011
AnyExpress: Integrated toolkit for analysis of cross-platform gene expression data using a fast interval matching algorithm
Kim J, Patel K, Jung H, Kuo W, Ohno-Machado L. AnyExpress: Integrated toolkit for analysis of cross-platform gene expression data using a fast interval matching algorithm. BMC Bioinformatics 2011, 12: 75. PMID: 21410990, PMCID: PMC3076267, DOI: 10.1186/1471-2105-12-75.Peer-Reviewed Original Research
2009
Is there an advantage in scoring early embryos on more than one day?
Racowsky C, Ohno-Machado L, Kim J, Biggers J. Is there an advantage in scoring early embryos on more than one day? Human Reproduction 2009, 24: 2104-2113. PMID: 19493872, PMCID: PMC2727402, DOI: 10.1093/humrep/dep198.Peer-Reviewed Original Research