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- W3209925360 abstract "Abstract This paper presents a mathematical formulation and a heuristic approach for a new variant of the Hierarchical Chinese Postman Problem (HCPP). Indeed, we introduce the concept of periodicity, and we define and solve, for the first time, the Periodic-HCPP, denoted as P-HCPP. Given that the resulting integer programming model makes use of a big number of binary variables and given the extended time horizon considered, 30 days in our case, the problem is characterized by a high level of complexity. However, our developed heuristic is able to solve instances having up to 40 nodes, 520 arcs and 5 hierarchies, whereas a general-purpose solver like Gurobi was not able to provide solutions for instances having more than 10 nodes. While the collected results are very encouraging, we provide at the end of this paper a set of possible future extensions of this work." @default.
- W3209925360 created "2021-11-08" @default.
- W3209925360 creator A5039886917 @default.
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- W3209925360 date "2021-11-01" @default.
- W3209925360 modified "2023-09-25" @default.
- W3209925360 title "On the periodic hierarchical Chinese postman problem" @default.
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- W3209925360 doi "https://doi.org/10.1007/s00500-021-06213-2" @default.
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