fuzzy relational database

Design and Implementation of Fuzzy Relational Database

模糊关系数据库FRDBMS的设计与实现

The results proves that the relational database converted into fuzzy relational database, the performance is very similar, and the feasibility is higher.

结果证明由关系型数据库转为模糊数据库后性能相近，可行性高。

This methodology contains extensions for representing the imprecision of data in fuzzy relational database.

这方法学包含引伸为代表数据不精确在模糊的关系数据库.

A Knowledge-Based Approach to Fuzzy Querying over Relational Database

一种基于知识的关系数据库模糊查询方法

A fuzzy relational database model with weighted fuzzy attribute values is presented and the concepts of semantic distance and fuzzy users' view are introduced.

本文首先提出了一种属性具有加权模糊值的模糊关系数据库模型，引入了语义距离及模糊视图的概念。

Quotient Operators of Fuzzy Relational Database Based on the Semantics

一种基于语义的模糊关系数据库除操作

Choosing appropriate plan of stamping process is very important. Fuzzy expert system combined with relational database and object-oriented method are used for stamping process planning to realize the fuzzy decision on plan of stamping process.

提出将模糊专家系统技术结合关系型数据库和面向对象方法引入冲裁工艺设计过程中，实现了冲裁工艺方案选择的模糊决策问题。

And a brief introduction of fuzzy relational database technology applications.

并简单介绍了模糊关系数据库技术的应用领域。

First of all, this paper investigates research status of fuzzy relational database and properties of vague set, and then puts forward a generalized fuzzy relational data model on vague set ( VGFRDM) and a fuzzy database structured query language on vague set ( VFSQL).

本文首先探讨了模糊关系数据库的研究现状和Vague集的性质，然后提出了基于Vague集的广义模糊关系数据模型VGFRDM和基于Vague集的模糊数据库查询语言VFSQL。