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Open AccessArticle

Mobile P2P-Based Skyline Query Processing over Delay-Tolerant Networks

Department of SW Convergence Technology, Wonkwang University, Iksandae 460, Iksan, Jeonbuk 54538, Korea
Department of Information and Communication Engineering, Chungbuk National University, Chungdae-ro 1, Seowon-Gu, Cheongju, Chungbuk 28644, Korea
Author to whom correspondence should be addressed.
Electronics 2019, 8(11), 1276;
Received: 21 October 2019 / Revised: 31 October 2019 / Accepted: 31 October 2019 / Published: 2 November 2019
(This article belongs to the Special Issue Delay Tolerant Networks and Applications)
Skyline query-processing techniques considering various properties in peer to peer (P2P)-based services have become a recent topic of research. In this paper, we propose a new skyline query-processing scheme to improve the query-processing performance and accuracy in a mobile P2P service over delay-tolerant networks. The proposed scheme collects data on the query object from neighboring nodes and establishes a local skyline through static properties to reduce query-processing costs. To improve the query accuracy in a non-uniform distribution environment, the query-dissemination range is expanded by enforcing a query-dissemination range expansion. The performance evaluation conducted to verify the superiority of the proposed scheme demonstrates that it has a better performance compared to the existing schemes. View Full-Text
Keywords: skyline query; local skyline; query dissemination; filtering object; mobile P2P skyline query; local skyline; query dissemination; filtering object; mobile P2P
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Bok, K.; Park, S.; Lim, J.; Yoo, J. Mobile P2P-Based Skyline Query Processing over Delay-Tolerant Networks. Electronics 2019, 8, 1276.

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