结构化电子病历的数据检索

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1、华中科技大学硕士学位论文结构化电子病历的数据检索姓名：张卓申请学位级别：硕士专业：软件工程指导教师：方少红20051001AbstractComputerizedPatientRecordcanprovidethephysicianswithintegrated,exactdataaboutpatientsandoffercertainclueandadvice;holdouttheclinicdecision-making,connectmedicalknowledgebaseandother.Ifyouwanttoabstractsomedocumentswhichaccor

2、dingtodefiniteconditionfromlargenumbersofmedicaldocumentstoanalyzeandsummarize,(investigatetherules,suchastherangeofageandzoneofthepersonwhosensitivecertaindisease)searchingfrompatient-recordisanecessaryway.ThetraditionalComputerizedPatientRecordusuallyadoptthedocumentwayorhalf-structuralway.

3、Thesewaysnotonlydifficulttosave,butalsohavetroublesinretrieveandstatisticandsoon.Especiallytheretrievalsystemneedstocorrectwords,itsintelligentdegreeislowrelatively,thusbringuserlotsofinconvenience.Consequently,itisimportanttosetuparetrievalsystemwhichhavesomeintelligence.ThestructuralCompute

4、rizedPatientRecordwithbasedonextensibleMarkupLanguageresolvethestructuralproblematalargedegree.Basedonthis,muchartificialintelligencetechniquesuchasnaturallanguageunderstandingandsoonhavebeenused.WedesignedthemoduletocollectXMLdocuments,theseareusedtobetheenoughdatasourceofthefollowretrieval;

5、setuptheretrievalsystemwhichhaveelementaryintelligence，itcanbeusedtosynonymousandimplicativeretrievalaccordingtothekeywordswhichusersinput;setindexontaginordertoimprovethespeedofretrieval;duringtheconstructoftheknowledgebase，synonymousdictionaryandimplicativedictionaryaresetup,makeuseofthekno

6、wledgeandaccordingtoinferencestrategyresolvetheuser'sproblems;Wesetuptheknowledgebasemanagementsysteminordertomanageknowledgebaseeffectively.SomestrategymentionedabovewasfoundedintheCPRsystemoftheTumorHospitalAffiliatedtoFudanUniversityKeywords:ComputerizedPatientRecordDataRetrieveKnowledgeBa

7、seStructuralII1绪论本章首先简要介绍研究电子病历结构化的背景，然后对论文研究的意义，国内外研究现状及发展趋势等一一作以介绍。1.1论文研究背景随着信息化技术在医疗领域的广泛应用，社会医疗保险制度的迅速开展及日益深化，人们对健康的意识日益增强，这使得医院必将顺应发展趋势而投入更大的精力对疾病发病原因等进行广泛深入的研究，以便为日后科研与教学工作的开展做准备。病人在求医治病的过程中产生的信息的主要载体是病历。病历是病人在医院诊断治病全[1]程的原始记录。一般包含有首页、