G-LOG - A DECLARATIVE GRAPHICAL QUERY LANGUAGE

被引：0
|
作者：
PAREDAENS, J
PEELMAN, P
TANCA, L
机构：
[1] UNIV INSTELLING ANTWERP,DEPT WISKUNDE INFORMAT,B-2610 WILRIJK,BELGIUM
[2] POLITECN MILAN,DIPARTIMENTO ELETTR,I-20133 MILAN,ITALY
来源：
LECTURE NOTES IN COMPUTER SCIENCE | 1991年 / 566卷
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D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper we introduce G-Log, a declarative graphical query language which combines of the expressive power of logic, the modelling power of object-orientedness and the representation power of graphs. As in the case of prolog, G-Log may be used in a totally declarative way, as well as in a ''more procedural'' way. Furthermore, it provides an intuitive and flexible graphical tool for non-expert database users. We prove that G-Log is a graphical equivalent of the first order predicate calculus. Finally, we study its features as a non-deterministic language and compare it with other existing non-deterministic languages.
引用
收藏
页码：108 / 128
页数：21
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