2006
Pivoting approaches for bulk extraction of Entity–Attribute–Value data
Dinu V, Nadkarni P, Brandt C. Pivoting approaches for bulk extraction of Entity–Attribute–Value data. Computer Methods And Programs In Biomedicine 2006, 82: 38-43. PMID: 16556470, DOI: 10.1016/j.cmpb.2006.02.001.Peer-Reviewed Original ResearchConceptsEntity attributesClinical study data management systemsData management systemNumber of attributesDatabase serverHash tableClinical patient dataValue dataManagement systemAlternative algorithmsPatient dataSQLServerRepositoryAlgorithmComplex approachFormatDataAttributesParameter formatOne-columnExtractionAnalytical programPerformanceMemory
2001
Use of General-purpose Negation Detection to Augment Concept Indexing of Medical Documents
Mutalik P, Deshpande A, Nadkarni P. Use of General-purpose Negation Detection to Augment Concept Indexing of Medical Documents. Journal Of The American Medical Informatics Association 2001, 8: 598-609. PMID: 11687566, PMCID: PMC130070, DOI: 10.1136/jamia.2001.0080598.Peer-Reviewed Original ResearchConceptsNegation detectionMedical documentsUMLS conceptsProgramming language compilersFinite state machinesLanguage compilerConcept indexingMedical narrativesContext-free grammarsConcept matchingLexical scannerAbsence of negationDifferent test setsFormal languageState machinesRegular expressionsReliability of detectionDiverse training setConcept IDsTraining setParserHuman observationTest setLarge setHuman observers