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《Application Research of Computers》 2003-06
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Data Cleaning and Applying to Data Warehouse

ZHUANG Xiaoqing,XU Lizhen,DONG Yisheng(Deptof Computer Science & Engineering,Southeast University,Nanjing Jiangsu 210096,China)  
Data Warehouse serves for the decision,in which the data is collected from all kinds of heterogeneous data sourcesSince there are errors or inconsistencies in data sources,to ensure the data's quality for decision,the data extracted from data sources must be cleaned and transformedData Cleaning deals with detecting and removing errors and inconsistencies in data sources and among data sourcesThis article analyzes the conception and the methods of Data Cleaning,and the application of it in the Data Warehouse
【CateGory Index】: TP311
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