relational data model

Partial relational model is the extension of the relational data model in data domains.

偏序关系模型（Partial Relational Model）是对关系数据模型在序领域中的推广。

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A translator to convert relational data model to XML documents

一个从关系数据模型到XML文档的翻译器设计

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On this basis, the authors give the mapping rules between main elements in DTD of XML document and relational data model; and design the algorithm for the autogeneration of conversion rule script and the algorithm for data conversion.

给出XML文档的DTD中各主要元素与关系数据模型之间的映射规则，设计转换规则脚本的自动生成算法和数据转换算法。

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By means of extended relational database model, a view-based framework of constructing spatio-temporal data model is proposed to integrate the attribute of time and space.

通过扩展关系型数据模型，提出一种基于视图的时空数据模型构造方法，实现空间属性和时间属性一体化。

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However, relational data model is major used to deal with well-defined and clear data, but real-world data is often vague, incomplete and uncertain.

但关系数据模型处理的主要是具有良好定义的、清晰明确的数据，而现实世界中的数据通常是含糊的、不完全的、不确定的。

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Relational figure language is one way to express the operation of relational data model.

关系演算语言是表达关系数据模型中的数据操作的1种方式.

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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。

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We also studied many problems on data integration for E-Government applications, such as, relational data model based on XML, XML data schema transforming, distributed transaction processing based on web services.

在电子政务系统数据集成的问题上，本文研究了关系型数据的XML表示、XML数据模式变换和基于Web Services的分布式事务处理问题。

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