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- W2621112677 abstract "The green traveling purchaser problem (GTPP) is a generalization of the Traveling Purchaser Problem which consists of selecting suppliers, allocating orders and choosing the best routes, while minimizing the purchasing and traveling costs and CO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> emissions. The two objective functions pertaining to minimization of CO <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> emissions and purchasing costs are in some cases conflicting and are thus considered separately. This paper presents an exact method to solve the proposed bi-objective optimization model where the bi-objective mathematical model is transformed into a single objective function model using the weighted comprehensive criterion method. The model is solved using branch and cut algorithm in MATLAB software. Computational experiments were carried out using two random instances, and the results show that the algorithm gives the bi-objective Pareto optimal solutions with significant difference in computation times when the speed is constant or varies between the routes. Using different weighting factors, this model can be considered as a decision making tool that allows decision makers to use the solution that fits the most with their organization's strategy." @default.
- W2621112677 created "2017-06-09" @default.
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- W2621112677 date "2017-04-01" @default.
- W2621112677 modified "2023-10-06" @default.
- W2621112677 title "Green Traveling Purchaser Problem model: A bi-objective optimization approach" @default.
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- W2621112677 doi "https://doi.org/10.1109/icmsao.2017.7934841" @default.
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