Transforming relational model to source ontology for data integration

K. Sonia, S. Khan
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引用次数: 4

Abstract

Data integration can be made scalable, flexible and interoperable if the source descriptions are represented in conceptual model i.e., ontology. Ontology is a shared and common understanding of a domain and can solve the heterogeneity of distributed data sources. The methodology provided in this paper transforms database relations of a local source to OWL based ontology for source descriptions. It minimizes the effort and errors involved in manual ontology building. Compared with existing techniques the distinguished feature of the proposed technique is to build ontology in the absence of necessary metadata from physical or logical models. Results of the proposed methodology are provided to show the transformation is correct (i.e., total, injective).
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将关系模型转换为数据集成的源本体
如果将源描述用概念模型(即本体)表示,则可以使数据集成具有可伸缩性、灵活性和可互操作性。本体是对一个领域的共同理解,可以解决分布式数据源的异构性问题。本文提出的方法将本地源的数据库关系转换为基于OWL的本体论进行源描述。它最大限度地减少了手工构建本体所涉及的工作量和错误。与现有技术相比,该技术的显著特点是在缺乏必要的物理或逻辑模型元数据的情况下构建本体。提出的方法的结果显示转换是正确的(即,全面的,内射的)。
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