Paraconsistent database query languages

被引：0
|
作者：
Bagai, Rajiv [1 ]
机构：
[1] Wichita State Univ, Dept Comp Sci, Wichita, KS 67260 USA
来源：
Proceedings of the Second IASTED International Conference on Computational Intelligence | 2006年
关键词：
fuzzy systems; relational databases; incompleteness and inconsistency; query languages;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We present a series of three query languages for databases containing paraconsistent information, i.e. information that is incomplete or even inconsistent. Our languages are 4-valued extensions, respectively, of the SELECT statement of SQL, the tuple relational calculus, and the domain relational calculus used for relational databases. Our generalized 4-valued semantics pen-nits representation and manipulation of paraconsistent information for numerous interdisciplinary applications rich in such information, for which existing methods are inadequate.
引用
收藏
页码：248 / 253
页数：6
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