WIN algorithm for discrete online TSP

Article

Wu, Yonghua, Zhu, Guohun, Chen, Huaying and Qin, Jucun. 2011. "WIN algorithm for discrete online TSP ." Journal of Advanced Computational Intelligence and Intelligent Informatics. 15 (9), pp. 1199-1202.
Article Title

WIN algorithm for discrete online TSP

ERA Journal ID40120
Article CategoryArticle
AuthorsWu, Yonghua (Author), Zhu, Guohun (Author), Chen, Huaying (Author) and Qin, Jucun (Author)
Journal TitleJournal of Advanced Computational Intelligence and Intelligent Informatics
Journal Citation15 (9), pp. 1199-1202
Number of Pages4
Year2011
Place of PublicationTokyo, Japan
ISSN1343-0130
1883-8014
Web Address (URL)http://www.fujipress.jp/JACIII/JACII00150009.html#no_150901
Abstract

Traveling Salesman Problem (TSP) which is proved as an NP-Complete problem is solved by many algorithms. In this paper, we propose online TSP which is based on general discrete metric space. A Waiting- If-Necessary (WIN) algorithm is proposed that involves with increasing cost caused by zealous algorithms and unnecessary waiting caused by cautious algorithms. We measure the performance of the WIN algorithm using competitive analysis and found that it is a 2-competitive algorithm. The competitive ratio of theWIN algorithm can be improved by setting parameter T0.

Keywordscompetitive analysis; discrete metric space; metric TSP; online TSP; waiting-if-necessary
ANZSRC Field of Research 2020460699. Distributed computing and systems software not elsewhere classified
490304. Optimisation
490404. Combinatorics and discrete mathematics (excl. physical combinatorics)
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Byline AffiliationsGuilin University of Electronic Technology, China
Department of Mathematics and Computing
University of Melbourne
Institution of OriginUniversity of Southern Queensland
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