Research indicates that fuzzy database is an important tool in the exploitation process of uncertainty system. 研究表明,模糊关系数据库是开发不确定性系统的非常重要的工具。
The paper gave the realization process for database, queried the fuzzy database and showed the results. 给出了建立模糊数据库的实现过程,对模糊数据库进行查询并给出实验结果。
A Model of Logistics Fuzzy Knowledge Database System Based on Cloud Theory 一种基于云理论的物流模糊知识库系统模型
Based on theory researches and practical development conditions of fuzzy database, some problems about knowledge discovery are explored in the crime fuzzy database. 根据模糊数据库的理论研究及实际开发状况,对犯罪模糊数据库中知识发现的几个问题进行了探讨。
This self-learning system preferably apply the technology of neural network to fuzzy database. 该自学习系统较好地把神经元网络应用到了模糊数据库中。
The fuzzy event base and active fuzzy rule base should be established to accomplish the active service function of active fuzzy database. 实现主动模糊数据库的主动服务功能,必须建立相关的模糊事件库与主动模糊规则库。
Research on Fuzzy Relationship Database Theory and Application in Teacher Evaluation System 模糊关系数据库理论研究及在教师评价系统中的应用
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。
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。
Users can create fuzzy database upon it and achieve the store and part management of fuzzy data. 通过这个系统,用户可以自己创建模糊数据库,实现模糊数据的存储和部分管理功能。
Paraconsistent relation model with membership, by introducing the concept of membership degree in fuzzy database, has strengthen the ability of handling inconsistent information on the paraconsistent relation. 带隶属度的次协调关系模型是在次协调关系的基础上引入模糊数据库的隶属度的概念,该模型加强了次协调数据库处理矛盾信息的能力;
Then it discusses the fuzzy function dependency, and give some example to application for fuzzy relational database systems. 研究模糊数据库中函数依赖理论,具体讨论模糊数据库中函数依赖的基本定义和基本公理系统以及在模糊关系数据库中的应用实例。
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。
Under the background of integrating fuzzy information into ERP, the concerns of fuzzy database design and related fuzzy data processing techniques on RDB are discussed. 以模糊数据与ERP的融合应用为背景,探讨了关系数据库上模糊数据库表的设计及相关的数据处理技术。
Active fuzzy data model is studied based on relation data model. Following an introduction to active fuzzy database technology, the structure of active fuzzy database is analyzed. 在关系数据模型的基础上,对主动模糊数据模型进行了研究,介绍了主动模糊数据库技术,分析了主动模糊数据库的结构。
This paper presents a data model for fuzzy expert database systems. 本文提出了一种能处理模糊知识的专家数据库数据模型。
Research on application of fuzzy database to expressway maintaining system 模糊数据库技术在高速公路养护系统中的应用
This paper compares general relational database dealing with exact data with relational data model-based fuzzy database in their relation structure, relation operations, database language, concept designing methodology and architect. 比较了处理精确数据的通用关系数据库与基于关系数据模型的模糊数据库在关系模式、关系操作、数据库语言、概念设计方法、体系结构等方面的异同点。
In this paper, A new retrieval mechanism of database is investigated based on quantified propositional calculus of Fuzzy Logic. It Can be used to process the more general fuzzy database retrieval. 本文从基于模糊逻辑的量化命题演算出发,探究一个新的数据库查询机制,用以处理更一般的量化命题意义的模糊数据库查询。
Fuzzy database is an important component of the fuzzy information processing system. 模糊数据库是模糊信息处理系统的重要组成部分。
Based on this model, this paper constructs two different kinds of fuzzy database query languages: the fuzzy relational algebra and fuzzy relational calculus. 在此基础上,构造了两类不同的模糊数据库查询语言:模糊关系代数和模糊关系演算。
In addition, this paper discusses the design of fuzzy database management system on vague set. 此外,本文还讨论了基于Vague集的模糊数据库管理系统的设计。
Events and Rules in the Active Fuzzy Database 主动模糊数据库中的事件与规则
Active fuzzy database and its application 主动模糊数据库技术及其应用
Study and Realizing of Fuzzy DataBase Selection Base on SQL 基于SQL的模糊查询技术研究与实现
The Self-learning System of Fuzzy Database Model 模糊数据库模型的自学习系统
An AFS fuzzy query is proposed for fuzzy information in fuzzy database under Visual Basic 6.0. It can deal with any fuzzy information represented by the elements of El algebra. 对于任何带有由EI代数中的元素表示的模糊集组成的查询条件的查询,用这种方法都可以进行查询。
Through controller created by combination of the two said techniques, a fuzzy rule database can be established on the basis of classifying the neural networks, at the time of strengthening the function of PID control, the difficulty of establishing UK fuzzy database has also been reduced. 通过结合构成的控制器,根据神经网络的分类去构建模糊规则库,在强化PID控制功能的同时降低了构建模糊库的难度。
In this paper, a data-mining method is used to construct the fuzzy rules database. 通过仿真对比实验验证了用数据挖掘方法所产生的模糊规则库建立的模糊模型精度比经典方法&查表法更高。
Fuzzy database is a database which can handle fuzzy information, which provides a way for handling null value. 模糊数据库是指能够处理模糊信息的数据库,它为空值的处理提供了一条重要的途径。