An Ontology and a Description Schema Base for Relational Database Integration

Nadir Salhi, Benna Amal, Z. Alimazighi, Bilal Amrouche, Ferhat Makhloufi
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引用次数: 0

Abstract

Distributed Data sources integration is a method aiming to offer access for users to multiple databases through requests on a global schema. The use of an ontology is seamlessly the most promising approach for a possible automation to deal with the semantic heterogeneity, considered as the most important difficulty. In this paper we propose approach uses a domain ontology to solve semantic conflicts considered as a global schema and a description schema base in order to manage the mappings, done manually by the administrator of every relational source, between the global schema and the different databases. Moreover, we describe the algorithms related to relevant sources localization, requests decomposition, inter-sources joint, requests rewriting and recomposition of the results as tuples. Finally, we present a prototype for relational databases integration.
面向关系数据库集成的本体与描述模式
分布式数据源集成是一种旨在通过对全局模式的请求为用户提供对多个数据库的访问的方法。使用本体是处理语义异构的最有希望的自动化方法,这被认为是最重要的困难。在本文中,我们提出了一种方法,使用领域本体来解决全局模式和描述模式基之间的语义冲突,从而管理全局模式和不同数据库之间的映射,这些映射是由每个关系源的管理员手动完成的。此外,我们还描述了相关源定位、请求分解、源间联合、请求重写和结果元组重组的相关算法。最后,我们提出了一个关系数据库集成的原型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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