2000
Exploring Performance Issues for a Clinical Database Organized Using an Entity-Attribute-Value Representation
Chen R, Nadkarni P, Marenco L, Levin F, Erdos J, Miller P. Exploring Performance Issues for a Clinical Database Organized Using an Entity-Attribute-Value Representation. Journal Of The American Medical Informatics Association 2000, 7: 475-487. PMID: 10984467, PMCID: PMC79043, DOI: 10.1136/jamia.2000.0070475.Peer-Reviewed Original ResearchConceptsEAV/CRDatabase schemaSQL statementsDatabase modelDatabase sizeSystem memoryQuery execution timeHeterogeneous biomedical dataSimple SQL statementsQuery efficiencyQuery performancePowerful hardwareQuery strategyEntity attributesDatabase queriesDatabase representationBiomedical dataExecution timeQueriesMore memoryPerformance issuesSchemaValue representationRepresentationCR model
1999
Organization of Heterogeneous Scientific Data Using the EAV/CR Representation
Nadkarni P, Marenco L, Chen R, Skoufos E, Shepherd G, Miller P. Organization of Heterogeneous Scientific Data Using the EAV/CR Representation. Journal Of The American Medical Informatics Association 1999, 6: 478-493. PMID: 10579606, PMCID: PMC61391, DOI: 10.1136/jamia.1999.0060478.Peer-Reviewed Original ResearchConceptsEAV/CRHeterogeneous scientific dataPhysical database schemaStorage of dataInterobject relationshipsDatabase schemaHeterogeneous dataMedical domainComplex objectsScientific domainsClinical patient recordsSchemaBiomedical databasesRepresentationScientific dataPatient recordsSuch purposesDatabaseValue representationDomainObjectsParadigmData
1997
QAV: querying entity-attribute-value metadata in a biomedical database
Nadkarni P. QAV: querying entity-attribute-value metadata in a biomedical database. Computer Methods And Programs In Biomedicine 1997, 53: 93-103. PMID: 9186046, DOI: 10.1016/s0169-2607(97)01815-4.Peer-Reviewed Original ResearchConceptsData retrievalClient-server applicationsGraphical front endSet-based queriesMetadata repositorySQL statementsData organizationKnowledge representationBiomedical databasesRetrievalProduction applicationsFront endQueriesServerMetadataDatabaseUsersRepositoryDatasetApplicationsRelation formRepresentation