Title :
A Method for Rough Relational Database Transformed into Relational Database
Author :
Wei, Ling-Ling ; Zhang, Wei
Author_Institution :
Comput. Dept., JiangXi Blue Sky Univ., NangChang, China
Abstract :
It is decomposed the data of rough relational database and transformed into relational database according to the characteristic of rough relational database and relational database and in virtue of multiplication principle and Descartes of basic operation of relational algebra. Then deleted redundant data and optimized RDB. Finally, it is designed translation arithmetic and applied in soil example, then proved the arithmetic validity.
Keywords :
relational algebra; relational databases; rough set theory; multiplication principle; relational algebra; relational database; rough relational database method; translation arithmetic; Arithmetic; Computer network management; Conference management; Relational databases; Rough sets; Size measurement; Soil measurements; Technology management; Time measurement; Uncertainty; Descartes; equivalence classes; relational database; rough relational database;
Conference_Titel :
Services Science, Management and Engineering, 2009. SSME '09. IITA International Conference on
Conference_Location :
Zhangjiajie
Print_ISBN :
978-0-7695-3729-0
DOI :
10.1109/SSME.2009.79
