Tracing Origin of Data
Corressponding author's email:
tapchikhgkdt@hcmute.edu.vnKeywords:
dữ liệu tích hợp, khai khoáng, phân tích thông tin tích hợpAbstract
Data ware house, from many data sources which were used, mixed, distributed to mine and analyze data for many problems. In that process original data were changed on transactions, algebra operations, and data clean procedures. To need to find traces of original data from source data on data ware house. In this paper, we research general transformation using attributes and schema mapping. In addition, we also study some algorithms to trace for original data using general transformation. This result was used for tracing of original data for exam data ware house of Private Information Technology College Ho Chi Minh City
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