Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/65360
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dc.titleCounting the different efficient paths for transportation networks and its applications
dc.contributor.authorMeng, Q.
dc.contributor.authorLee, D.-H.
dc.contributor.authorCheu, R.L.
dc.date.accessioned2014-06-17T08:15:55Z
dc.date.available2014-06-17T08:15:55Z
dc.date.issued2005-03
dc.identifier.citationMeng, Q.,Lee, D.-H.,Cheu, R.L. (2005-03). Counting the different efficient paths for transportation networks and its applications. Journal of Advanced Transportation 39 (2) : 193-220. ScholarBank@NUS Repository.
dc.identifier.issn01976729
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/65360
dc.description.abstractThis paper deals with an interesting problem about how to efficiently compute the number of different efficient paths between an origin-destination pair for a transportation network because these efficient paths are the possible paths used by drivers to some extent. Based on a novel triangle operation derived, it first presents a polynomial-time combinatorial algorithm that can obtain the number of different simple paths between any two nodes for an acyclic network as well as the total travel cost of these paths. This paper proceeds to develop a combinatorial algorithm with polynomial-time complexity for both counting the different efficient paths between an origin-destination pair and calculating the total travel cost of these paths. As for applications, this paper shows that the preceding two algorithms can yield the lower and upper bounds for the number of different simple paths between an origin-destination pair, while it has already be recognized that a polynomial-time algorithm getting such a number does not exist for a general network. Furthermore, the latter algorithm can be applied for developing a heuristic method for the traffic counting location problem arising from the origin-destination matrix estimation problems.
dc.sourceScopus
dc.subject#P-complete problem
dc.subjectCounting the simple path
dc.subjectPolynomial-time algorithm
dc.subjectThe efficient path
dc.subjectTraffic counting location problem
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.sourcetitleJournal of Advanced Transportation
dc.description.volume39
dc.description.issue2
dc.description.page193-220
dc.description.codenJATRD
dc.identifier.isiutNOT_IN_WOS
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