کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
482595 | 1446218 | 2006 | 5 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: A LP-based heuristic for a time-constrained routing problem A LP-based heuristic for a time-constrained routing problem](/preview/png/482595.png)
In this paper we present a LP-based heuristic for the solution of a Time Constrained Routing problem arising from innovative services accessible via World Wide Web.The problem consists of scheduling the visit of a tourist to a given geographical area in order to maximize his satisfaction degree whilst respecting time windows restrictions. We refer to this problem as the Intelligent Tourist Problem (ITP).ITP is formulated as a Set Packing problem with side constraints. Due to the huge number of variables in the formulation, the LP-relaxation is solved by a “column-and-row generation” approach. Then we run a MIP solver over the active columns to get a feasible solution. Computational experience on real-world instances is reported showing the effectiveness of the proposed approach.
Journal: European Journal of Operational Research - Volume 173, Issue 1, 16 August 2006, Pages 120–124