知识检索与信息检索的检索效率比较

1,2(1.,430072;2.,430072):,,,,,,:;;;:G354:A:100727634(2005)0420590204ComparisonofRetrievalEfficiencybetweenKnowledgeRetrievalandInformationRetrievalZHANGZi-ran1,JINYan2(1.ResearchCenterofInformationResources,WuhanUniversity,Wuhan430072,China;2.InformationManagementCollege,WuhanUniversity,Wuhan430072,China)Abstract:Basedontheanalysisontheretrievalmechanismofknowledgeretrievalandinformationretrieval,thisarticlecomparedtheprecisionratioandrecallratioofknowledgeretrievalwiththoseofinformationre2trieval.Theauthorconsideredthattheretrievalefficiencyofknowledgeretrievalwasbetterthaninformationretrieval.Thearticlealsodiscussedthefactorsinfluencedtheknowledgeretrievalefficiency,pointedoutthatinformationretrievalshouldtransittoknowledgeretrieval,proposedtheimprovingmethod..Keywords:knowledgeretrieval;retrievalefficiency;precisionratio;recallratio:2004-04-27:(1977-),,,,2002,.[1],,,,,,,,,,,,,()[2],23420054Vol.23,No.4April,2005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),[3],(recallratio),(precisionration),,,,,,,,100%[4],,,,,,,,,,[5],,,,,,,2,,1,,,,,,,,,1,2,;,,;,,,,,;,233,1954©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,,,,,;,,,,,,,Google,,,,,,,,,,,,(2),,Google,20,4,XX,,,,,,,,,;,,,,,;,,,;,,;,4;,[6],,,,,,,,(1),,,,,,,[7](2),29523©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)[8],,,,,,,[9](4),,,,,,,,,,,[1],.[J].,2004,(2):228-231.[2],.[J].,2002,(4):6-9.[3].[M].:,1997.[4].[J].,2002,(1):110-112.[5],.[J].,2001,(3):41-43.[6].[J].,2003,(2):60-62.[7],.[J].,2004,(2):60-62.[8].[J].,1997,(5):257-259.[9].[J].,2003,(4):8-10.(:)3954©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.