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1、IntroductiontotheDeweyDecimalClassificationAbouttheIntroduction1.1ThisIntroductionexplainsthebasicprinciplesandstructureoftheDeweyDecimalClassification(DDC)system.1.2TheIntroductionisintendedtobeusedinconjunctionwiththeGlossaryandtheManual.TheGlossarydefinestermsusedintheIntroductionandels
2、ewhereintheClassification.TheManualoffersadviceonclassifyingindifficultareas,andexplainshowtochoosebetweenrelatednumbers.Classification:WhatItIsandWhatItDoes2.1Classificationprovidesasystemfororganizingknowledge.Classificationmaybeusedtoorganizeknowledgerepresentedinanyform,e.g.,books,docu
3、ments,electronicresources.2.2Notationisthesystemofsymbolsusedtorepresenttheclassesinaclassificationsystem.IntheDeweyDecimalClassification,thenotationisexpressedinArabicnumerals.Thenotationgivesboththeuniquemeaningoftheclassanditsrelationtootherclasses.Thenotationprovidesauniversallanguaget
4、oidentifytheclassandrelatedclasses,regardlessofthefactthatdifferentwordsorlanguagesmaybeusedtodescribetheclass.History,CurrentUse,andDevelopmentoftheDeweyDecimalClassification3.1TheDeweyDecimalClassification—conceivedbyMelvilDeweyin1873andfirstpublishedin1876—isageneralknowledgeorganizatio
5、ntoolthatiscontinuouslyrevisedtokeeppacewithknowledge.Thesystemisfurtherextendedthroughnumberbuilding,interoperabletranslations,associationwithcategorizedcontent,andmappingstoothersubjectschemes.3.2TheDDCispublishedinfullandabridgededitionsbyOCLCOnlineComputerLibraryCenter,Inc.Theabridgede
6、ditionisalogicaltruncationofthenotationalandstructuralhierarchyofthecorrespondingfulleditiononwhichitisbased,andisintendedforgeneralcollectionsof20,000titlesorless.Botheditionsareissuedinprintandelectronicversions;theelectronicversionsareupdatedfrequentlyandcontainadditionalindexentriesand
7、mappedvocabulary.OCLCownsallcopyrightrightsintheDeweyDecimalClassification,andlicensesthesystemforavarietyofuses.13.3TheDDCisthemostwidelyusedclassificationsystemintheworld.Librariesinmorethan138countriesusetheDDCtoorganizeandprovideaccesstotheircollections,an
