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1、SpatiotemporalInfrastructureforSemanticNetworkinDigitalArchivesEricYenComputingCentre,AcademiaSinicaDec,2002OutlineIntroductionNDAPApproaches–Space-Time-LanguageCoordinatesArchivingandprocessingofmillionsofgeospatialmaterialsinASCharacteristicsHowtodelveintoth
2、eknowledgelevelExperiences&LessonswelearnedExtendtomoregeneralsolutionGeolibraryTheTrendsConclusionsIntroductiontoDigitalArchiveDigitalArchiveisacollectionofdigitalobjects.Adigitalobjectisdefinedassomething(e.g.,animage,anaudiorecording,atextdocument,amovie,am
3、ap)thathasbeendigitallyencodedandintegratedwithmetadatatosupportdiscovery,use,andstorageofthoseobjects.GoalsforDigitalArchive(functionalpointofview)ProtectionoftheoriginalDuplicationforsafetySearchandRetrievalEasyAccessResourceSharingLowercostofmaintenanceandd
4、isseminationMax.flexibilityforintegrationofheterogeneous/homogeneousinformationresourcesProvidingabundantresourcesforknowledgediscoveryandknowledgeconstructionKnowledgeDiscoveryandConstructionKnowledgeconstructionmeanstheactiveprocessofmanipulatingdatatoarrive
5、atabstractmodelsofrelationshipsamongphenomenaintheworldthatfacilitateourunderstandingofthosephenomenaand,ultimately,oftheworld.[1]Knowledgediscoveryisanontrivialprocessofidentifyingvalid,novel,useful,andunderstandablepatternindata.[2]Persistentcataloging,class
6、ification,andsegmentationofdigitalobjectsisthegroundforfindingpatterns,models,andtrendsoflargevolumedata.Reference:MacEachren,A.etal,ConstructingknowledgefrommultivariatespatiotemporalData:integratinggeographicvisualizationwithknowledgediscoveryindatabasemetho
7、dsFayyad,U.,Piatetsky-Shapiro,G.andSmyth,P.,1996,Fromdataminingtoknowledgediscovery:Anoverview.InadvancesinKnowledgeDiscoveryandDataMining,pp.1-34.TypesofElementaryKnowledgeOrganizationSystemsClassificationSystemsOntologiesTaxonomiesIndexLanguagesThesauriandot
8、hercontrolledlistsofkeywordsGlossaryDictionariesClusteringApproachesLexicalDatabasesConceptMaps/SpacesSemanticRoadMaps…WhyKnowledge-basedApproachforDigitalLibrary?1Providing“Concep
