The conceptual design of OSEA: an object-oriented semantic data model

Proceedings., Fourteenth Annual International Computer Software and Applications Conference Pub Date : 1990-10-31 DOI:10.1109/CMPSAC.1990.139355

P. L. Tan, T. Dillon

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引用次数: 3

Abstract

Semantics is integrated with an object-oriented data model to increase its power of expression, leading to the notions of subsumption of attributes, values, and relationships. In addition, the concept of inheritance is extended to include inheritance of relationships as well as attributes and operations. The specification of attributes, relationships and operations for the hierarchical framework is explained. Multiple relationships between two objects pertaining to the same hierarchy are also allowed. These are important features for object-oriented data models as opposed to object-oriented programming systems where relationships do not play such a central role. These features have been consolidated into a unified model, namely the OSEA (object-oriented semantic model for exception accommodation) model, which also incorporates additional constraints and modeling of exceptions. A prototype system has been developed based on the OSEA model with the view of providing a more complete set of operations for exception handling.<>

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OSEA的概念设计:面向对象的语义数据模型

语义与面向对象的数据模型集成在一起，以增强其表达能力，从而产生包含属性、值和关系的概念。此外，继承的概念被扩展为包括关系以及属性和操作的继承。解释了层次框架的属性、关系和操作的规范。属于同一层次结构的两个对象之间也允许存在多个关系。这些都是面向对象数据模型的重要特性，而面向对象编程系统中关系并不起如此重要的作用。这些特性已经被整合到一个统一的模型中，即OSEA(面向对象的异常适应语义模型)模型，该模型还包含了额外的约束和异常建模。基于OSEA模型开发了一个原型系统，以期为异常处理提供一套更完整的操作。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings., Fourteenth Annual International Computer Software and Applications Conference

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