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Model-driven multidimensional modeling of secure data warehouses

机译:由模型驱动的安全数据仓库的多维建模

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摘要

Data Warehouses (DW), Multidimensional (MD) databases, and On-Line Analytical Processing (OLAP) applications provide companies with many years of historical information for the decision-making process. Owing to the relevant information managed by these systems, they should provide strong security and confidentiality measures from the early stages of a DW project in the MD modeling and enforce them. In the last years, there have been some proposals to accomplish the MD modeling at the conceptual level. Nevertheless, none of them considers security measures as an important element in their models, and therefore, they do not allow us to specify confidentiality constraints to be enforced by the applications that will use these MD models. In this paper, we present an Access Control and Audit (ACA) model for the conceptual MD modeling. Then, we extend the Unified Modeling Language (UML) with this ACA model, representing the security information (gathered in the ACA model) in the conceptual MD modeling, thereby allowing us to obtain secure MD models. Moreover, we use the OSCL (Object Security Constraint Language) to specify our ACA model constraints, avoiding in this way an arbitrary use of them. Furthermore, we align our approach with the Model-Driven Architecture, the Model-Driven Security and the Model-Driven Data Warehouse, offering a proposal highly compatible with the more recent technologies.
机译:数据仓库(DW),多维(MD)数据库和在线分析处理(OLAP)应用程序为公司提供了用于决策过程的多年历史信息。由于这些系统管理的相关信息,它们应该在MD建模的DW项目的早期阶段就提供强大的安全性和机密性措施,并加以实施。在过去的几年中,提出了一些在概念上完成MD建模的建议。但是,他们都不认为安全措施是其模型中的重要元素,因此,它们不允许我们指定将由使用这些MD模型的应用程序强制执行的机密性约束。在本文中,我们提出了用于概念MD建模的访问控制和审计(ACA)模型。然后,我们使用此ACA模型扩展统一建模语言(UML),以表示概念性MD建模中的安全信息(在ACA模型中收集),从而使我们可以获得安全的MD模型。此外,我们使用OSCL(对象安全约束语言)来指定ACA模型约束,以这种方式避免了对它们的任意使用。此外,我们将方法与模型驱动的体系结构,模型驱动的安全性和模型驱动的数据仓库相结合,提出了与最新技术高度兼容的建议。

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