醫(yī)學(xué)信息檢索概述課件

MedicalInformationRetrievalHaoDongmeiCollegeofLifeScienceandBioengineering2OutlineBackgroundReferencePreface3BackgroundBilingualcourseReasonsInternationalCompetitionTechnologyDevelopmentGovernmentPolicySubjectRequirementObjectiveAcquire,analyze*,useTheaimistoequipyouwithanunderstandingofthenatureofmedical\biological\biomedicalliteratureandtheskillsrequiredtoretrieveinformation.5BackgroundAssessmentLecturesPracticeReportReviewPresentationinEnglishSuggestionsNotebookPractice6Reference1.董建成，周曉正.醫(yī)學(xué)信息檢索教程，東南大學(xué)出版社，2002年8月第1版。2.周毅華，現(xiàn)代醫(yī)學(xué)信息檢索與利用，東南大學(xué)出版社，2002年2月第1版。3.朱麗君，信息資源檢索與應(yīng)用，化學(xué)工業(yè)出版社，2004年8月第1版。4.WilliamR.Hersh,

InformationRetrieval:AHealthandBiomedicalPerspective,Springer-VerlagNY/HealthInformatics,January2003

2ndEdition

7PrefaceDefinitionCategoryLanguageApproachTechniqueEffectiveness8DefinitionSimplisticdefinition:

Medicalinformaticsistheapplicationofcomputers,communicationsandinformationtechnologyandsystemstoallfieldsofmedicine---medicalcare,medicaleducationandmedicalresearch.

MFCollen,MEDINFO'80,Tokyo

10DefinitionCategoryLanguageApproachTechniqueEffectiveness12CategoryEncyclopaedias:overview,manysubjects,manyaspectsofonesubjectsDictionaries:definitions,briefdescription,i.epathologyorenvironmentStatisticaltables:datainnumericalformi.e.OfficeforNationalStatistics:Mortalitystatistics:cause–anannualpublicationThesaurus:abookthatlistswordsingroupsofsynonymsandrelatedconceptsDirectories:listsofnamesororganizationsgivingaddresses,telephonenumbersandothergeneralinformationaboutapersonoranorganization14CategorySpecialDocumentGovernmentPublicationScientific&TechnicalReportPatentDocumentTechnicalStandardProductMaterialMeetingPaper;ProceedingsDissertationTechnicalArchives15CategoryMicrocopyVideoandaudio16CategoryElectronicDocumentontheInternetonaCDROMelectronicpaperbookExamplesinclude:

AmericanJournalofHumanGenetics()MolecularBiologyandEvolution()17CategoryPrimaryLiteratureOriginalcontributionSecondaryLiteratureTertiaryLiterature

181)Inwhichinformationsourcewouldyoufindadefinitionofasubject?.

Ajournal

Adictionary

Apharmacopoeia

2)Inwhichinformationsourcewouldyoufindanaddress?

Astatisticaltable

Adiscussionlist

Adirectory

3)Inwhichinformationsourcewouldyoufindstatisticalinformation?

Adictionary

Astatisticaltable

Aprofessionalcolleague

Quiz1-Oneansweronly.20DefinitionCategoryLanguageApproachTechniqueEffectiveness21LanguageClassificationSubjectCode23Classification《中圖法》第四版將文獻(xiàn)知識分為5大部類，即馬、列、毛澤東思想；哲學(xué)；社會科學(xué)；自然科學(xué)；綜合性圖書。下分22個基本大類。例如

O：數(shù)理科學(xué)、化學(xué)

Q：生物科學(xué)

R：醫(yī)藥衛(wèi)生每個類目采用拉丁字母和阿拉伯?dāng)?shù)字相結(jié)合的混合號碼24ClassificationR醫(yī)藥、衛(wèi)生（17個二級類目）

1

預(yù)防醫(yī)學(xué)、衛(wèi)生學(xué)

2

中國醫(yī)學(xué)

3

基礎(chǔ)醫(yī)學(xué)4

臨床醫(yī)學(xué)

5

內(nèi)科學(xué)6

外科學(xué)

71

婦產(chǎn)科學(xué)72

兒科學(xué)

73

腫瘤學(xué)74

神經(jīng)病學(xué)與精神病學(xué)

75

皮膚病學(xué)與性病學(xué)76

耳鼻咽喉科學(xué)

77

眼科學(xué)78

口腔科學(xué)

79

外國民族醫(yī)學(xué)8特種醫(yī)學(xué)

9藥學(xué)26Subject

規(guī)范化語言（ControlledVocabulary

）是指對文獻(xiàn)檢索用語的概念加以人工控制和規(guī)范，把檢索語言中各種同義詞、多義詞、近義詞、同形異義詞等進(jìn)行規(guī)范化處理，使每個檢索詞只能表達(dá)一個概念。非規(guī)范化語言（Freetext）對檢索用語中的各種同義詞、多義詞、近義詞、同形異義詞等不加處理，所以也叫自然語言，如關(guān)鍵詞。27KeywordFreetextsearching

Occurrenceofawordorphrasewithinthetitle,abstractorfulltext.MaynotberelevantDifferentwaysofspellingawordandthinkaboutsynonymsforthatword.28SubjectHeadingSubjectHeading(Descriptor)ControlledVocabularyMorepreciseThewordorphrasesearchedwillnotnecessarilyappearinthetitleorabstractofthearticleonthedatabase.i.e.thecontrolledvocabularytermforcotdeathonMedlineissuddeninfantdeath.Searchingbysuddeninfantdeath,onMedline,youwillretrievearticlesoncotdeath.30MeSHSubheadings

areavailabletomodifyaMeSHterm,increasethespecificityofthesearchdiagnosis,therapy,adverseeffects,statisticsandnumericaldata.i.e.aspirin/therapy;cold/drugtherapy

31

KeywordandSH

例：檢索“心血管疾病微量元素的代謝”自由詞檢索結(jié)果：(CBMdisc)序號命中文獻(xiàn)數(shù)檢索表達(dá)式#12120心血管疾病#21857微量元素#311684代謝#40#1and#2and#3#57#1and#2主題詞檢索#12399心血管疾病[擴(kuò)展全部樹]/血液、腦脊髓液、代謝、尿#2771痕量元素[擴(kuò)展全部樹]/血液、腦脊髓液、代謝、尿#347#1and#232DefinitionCategoryLanguageApproachTechniqueEffectiveness33ApproachTitleIndexAuthorIndexNumberIndexClassifiedIndexKeywordIndexSubjectIndexClassifiedsubjectIndex34DefinitionCategoryLanguageApproachTechniqueEffectiveness35RetrievalTechniqueSpelling,TerminologyandTruncationBooleanOperators

LimitsPlanning36Spelling,TerminologyandTruncation

differencesinterminologyandspelling.

Forexample:AmericanEnglishbehaviorbehaviourfetalfoetalagingageingneoplasmcancer37Spelling,TerminologyandTruncationsynonymsandacronymsSynonymsappearance/morphology;

Acronymscauliflowermosaicvirus=CaMVyeastartificialchromosome=YAC38Spelling,TerminologyandTruncationtruncationsearching(*,$)（wildcardsearching）Forexample:evol*willfindevolve/evolving/evolution/evolutionary/

evolveddiseas$willfinddisease/diseases/diseasedcolo$rwillfindcolor/colour39

1)WhatworddotheAmericansmorecommonlyusetodescribecancer?Oneansweronly.

A.

Cancer

B.

Neoplasm

C.

Lymphoma

2)Whatistheacronymforadenosinetriphosphate?(Oneansweronly)

A.AT

B.ATP

C.

A3)WhatistheBritishspellingofbehavior?(Oneansweronly)

A.Behaviour

B.Behavior

C.

Behavivor

Quiz2404)WhichofthefollowingwillberetrievedusingDevelop*?

(3options)

A.Development

B.

Devolving

C.Developing

D.Developed

E.Delving

F.Devil5)WhichofthefollowingwillberetrievedusingCell*?

(3options)

A.

Cells

B.Calls

C.

Celery

D.Cellular

E.

Celluloid6)WhichofthefollowingwillberetrievedusingMicro*?

(5options)

A.Microscope

B.Microscopic

C.Microbe

D.Micra

E.Microbial

F.Microwave41BooleanOperators

ANDBothwordsmustbepresentOREitherorbothwordsmustbepresentNOTThefirstbutnotthesecondwordmustbepresent4243

WhatBooleanoperatorwouldyouusetocombinethefollowingsearchterms,FruitFlies________Drosophilamelanogaster:2)WhatBooleanoperatorwouldyouusetocombinethefollowingsearchterms,Morphology_________Appearance:3)WhatBooleanoperatorwouldyouusetocombinethefollowingsearchterms,genes______eyecolour:4)Toexcludearticlesthatusethetermredeyes,whatBooleanoperatorwouldyouuse?Oneansweronly.

AND

OR

NOTQuiz344LimitstobeveryspecificrefineyoursearchLanguageYear:i.e.recentarticlespublishedinthelasttwoyears

Publicationtypejournalarticle,review,clinicaltrial,letter,editorialetc

AgeGroup:babies,adults,oldsGender,human,animalHuman,maleorfemale;ortoanimals,ormorespecificallytoananimaltype,rat,dog,mouseetc.45Tolimitasearchtotheincidenceoflateonsetdiabetesinwomen,whichofthefollowingwouldyouuse?

Choose2ofthefollowingoptions

A.

LanguageB.

PublicationTypeC.

FemaleD.

MaleE.

AgeGroup2)TolimitasearchtoinformationonmitochondriaresearchinEnglish,whichofthefollowingwouldyouuse?

OneansweronlyA.

LatinB.LanguageC.EnglishLanguageD.

FrenchE.GermanQuiz4463)Tolimitasearchtoarticleswritteninthelastyearonplantpathology,whichofthefollowingwouldyouuse?Choose2ofthefollowingoptions.

A.

HumanB.

PublicationYearC.

PublicationTypeD.

LanguageE.

Animal4)

Tolimitasearchtoconferencepapersgivenontheethicsofgeneticresearch,whichofthefollowingwouldyouuse?Oneansweronly.A.

LanguageB.

AgeGroupC.

PublicationTypeD.

PublicationYearE.

Fulltext47Planningyourliteraturesearch

Think:Whatareyoutryingtoretrieveinformationabout?Analyse:Whatarethekeyelementsofthetopic?Synonyms:Cantheseelementsbedescribedinanyotherway,alternatephrases,terms,cantheybespeltdifferently?Combine:Howwouldyoucombinethesesetstogether?Limit:Canyouuseanylimitstorefineyoursearch?48PlanningyourliteraturesearchE.X.Lookforresearchinthelast5yearsabouttheevolutionarygeneticsoftheEasternGreySquirrel.Evolutionary,Genetics,Grey,SquirrelKeywords:Synonyms:Evolution,Evolved,Evolving,Gene,Genes,Genetically,Sciuruscarolinensis,squirrels,grey,gray.Truncation:Evol*,Gene*,Squirrel*,Gr$yCombiningsets:(gr$yandsquirrel*)orsciurusc