Research of Data Quality Control based on Quality Grading

被引：0
|
作者：
Hong, Liu Shuang [1 ]
Guo, Yu Jian [1 ]
Ling, Yu Yong [1 ]
机构：
[1] Zhengzhou Inst Aeronaut Ind Management, Zhengzhou, Peoples R China
来源：
FOURTH INTERNATIONAL CONFERENCE ON MACHINE VISION (ICMV 2011): MACHINE VISION, IMAGE PROCESSING, AND PATTERN ANALYSIS | 2012年 / 8349卷
关键词：
Quality grading; Data quality; Data warehouse; Data audit;
D O I：
10.1117/12.920923
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
To solve the problem of data quality in data warehouse, the process of data stream in data warehouse and the factors influencing data quality were analyzed; a method for controlling data quality based on quality grading was proposed and the frame of data quality grading system was established. In each process of ETL, the data quality grading system would execute script to calculate values, such as total, component and standard measures in accordance with the definition of Unit Measure, so as to get representation indexes; and then the quality report would be generated according to the indexes and the quality would be graded. The method is applicable to various data warehouse systems.
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页数：6
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