A Novel Query-Driven Clustering-Based Technique for Vertical Fragmentation and Allocation in Distributed Database Systems

Adel A. Sewisy, Ali A. Amer and Hassan I. Abdalla
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Adel A. Sewisy: Faculty of Computers and Information, Assiut University, Assiut, Egypt
Ali A. Amer: Science College, Taiz University, Taiz, Yemen
Hassan I. Abdalla: College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia

International Journal on Semantic Web and Information Systems (IJSWIS), 2017, vol. 13, issue 2, 27-54

Abstract: In this paper, heuristic query-driven clustering-based vertical fragmentation technique is efficiently developed. The intrinsic idea is to meet the idealistic case of DDBS design which comes to happen as each query attune “closely match” its relevant fragment. The proposed technique is mainly sought to breed clusters of queries in the first place. Consequently, these clusters would be tacitly used to generate intended disjoint fragments. Moreover, the allocation process has been considered so that replicated and non-replicated scenarios of data are applied. This technique basically meant to be efficaciously applicable at the initial stage of DDBS design without the need for data statistics or empirical results, in either dynamic or static DDBS environment. Many existing design-related techniques are being incorporated to make a promising work, particularly as communication costs being the foremost design objective. Throughout this work, the experimental results and internal evaluation are extensively illustrated to demonstrate the effectiveness and validity of proposed technique.

Date: 2017
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