程度关系型数据库  

Degree Relational Database

作　　者：廉师友[1] 

机构地区：[1]西安石油学院计算机系,陕西西安710065

出　　处：《微机发展》2000年第6期32-35,共4页Microcomputer Development

基　　金：陕西省自然科学基金资助

摘　　要：本文将符合度、真度和信度等度量引入关系型数据库 ,提出了程度语言值关系、真度关系、信度关系、程度关系、程度语言值 -真度 -信度关系和程度语言值 -真度 -信度 -程度关系等 6种关系数据模型及其运算 (操作 )定义 ,扩充了传统关系型数据库表达范围和应用领域。同时 ,这种“程度”的思想和方法 。In this paper, we lead degree of accord, truth and confidence in relational database,and present the concept of degree relational database.Six kinds of data models of degree relational database are given in the paper such as degree language value relation, degree of truth relation, degree of confidence relation, degree of accord relation. Thus expressing scope and appllication domain of tradition relational database are expanded. Meanwhile, the thought and method of degree is also suitable to expanding other type of database. [

关 键 词：关系型数据库 程度语言值关系 程度关系 

分 类 号：TP311.132[自动化与计算机技术—计算机软件与理论]