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DOOD类等级中派生类的定位算法及实现
引用本文:陶世群,原锦辉.DOOD类等级中派生类的定位算法及实现[J].计算机应用,2004,24(1):99-101.
作者姓名:陶世群  原锦辉
作者单位:山西大学,计算机科学系,山西,太原,030006
基金项目:山西省自然科学基金资助项目 (971 0 2 9)
摘    要:文中给出了在DOOD中类的定义和表示,并以此为基础介绍了利用规则生成派生类。着重讨论了在类等级中派生类的定位和实现问题,提出了一种定位算法,最后讨论了基类和派生类之间的链接方法。

关 键 词:DOOD  派生类  对象标识  类等级
文章编号:1001-9081(2004)01-0099-03

An Algorithm and Implementation of Derived Classes Orientation in Deductive Object-Oriented Database
TAO Shi-qun,YUAN Jin-hui.An Algorithm and Implementation of Derived Classes Orientation in Deductive Object-Oriented Database[J].journal of Computer Applications,2004,24(1):99-101.
Authors:TAO Shi-qun  YUAN Jin-hui
Abstract:This paper introduces the definition and denotation of classes in DOOD,then discusses the derived classes created by rules based on them. It mainly discusses the orientation and implementation of derived classes in class hierarchy,and two possible links between base classes and derived classes. An algorithm of orientation is also put forward.
Keywords:deductive object-oriented database  derived classes  object identity  class hierarchy
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