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The Research Of Data Cleaning For Data House And Data Mining

Posted on:2007-03-17Degree:MasterType:Thesis
Country:ChinaCandidate:J P ZhangFull Text:PDF
GTID:2178360182971286Subject:Computer application technology
Abstract/Summary:PDF Full Text Request
Gain the data method along with the computer network and the data bank technologyrapid development as well as the people the diversification, we have data quantity sharpgrowth. But based on the inferior data decision-making is incredible, the data qualityquestion restricts the data warehouse application dish bottleneck。This article introduced thedata quality concept and the classification which carries on according to its type, and hasoutlined the data clean principle and the method step. Proposed based on the interactive dataclean mode, and has carried on the definition to each part. In detail elaborated in the dataclean process key question Repetition recording recognition and unusual value examinationquestion. Has produced the further optimization in the existing method foundation, proposedthe increase like repetition recording recognition method, finally have carried on the test andthe confirmation to its method!...
Keywords/Search Tags:Data Cleaning, Repeated Record Examination, SNM, Record Match
PDF Full Text Request
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