分布式的、面向对象的知识库中的数据迁移概念

Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96 Pub Date : 1996-09-09 DOI:10.1109/DEXA.1996.558350

Oliver Schmid

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引用次数: 2

摘要

本文介绍了分布式知识库中数据分布和迁移到多个数据库的概念的发展。因此，引入了依赖于负载和特定于应用程序的数据迁移的概念，该概念考虑了对数据访问的数量和类型。迁移方法的主要部分是一个分布函数，它根据定义的目标在数据库上生成数据的最优分布。它使用访问概要文件的所有信息，并借助几个不同优先级的决策参数对这些信息进行评估。循环协议保证了对访问剖面变化的快速反应，该协议由三个并行运行的阶段组成，具有一种管道结构。

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A concept of data migration in a distributed, object-oriented knowledge base

The article presents the development of a concept for the distribution and migration of data to several databases within a distributed knowledge base. Thus a concept for a load-dependent and application-specific migration of data is introduced which takes into consideration the number and sort of accesses to the data. The main part of the migration method is a distribution function, which generates an optimal distribution of data on the databases according to the defined aims. It uses all information of the profile of accesses and evaluates this information with the help of several decision parameters of different priority. A quick reaction on changes in the profile of accesses is guaranteed by a cycle protocol, which consists of three parallelly running phases with a sort of pipeline structure.

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Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96

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