Solving the Team Orienteering Problem with Transformers

• URL: http://arxiv.org/abs/2311.18662v2
• Date: Fri, 1 Dec 2023 09:48:02 GMT
• Title: Solving the Team Orienteering Problem with Transformers
• Authors: Daniel Fuertes, Carlos R. del-Blanco, Fernando Jaureguizar, Narciso Garc\'ia
• Abstract summary: Route planning for a fleet of vehicles is an important task in applications such as package delivery, surveillance, or transportation. This paper presents a multi-agent route planning system capable of solving the Team Orienteering Problem in a very fast and accurate manner.
• Score: 46.93254771681026
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Route planning for a fleet of vehicles is an important task in applications such as package delivery, surveillance, or transportation. This problem is usually modeled as a Combinatorial Optimization problem named as Team Orienteering Problem. The most popular Team Orienteering Problem solvers are mainly based on either linear programming, which provides accurate solutions by employing a large computation time that grows with the size of the problem, or heuristic methods, which usually find suboptimal solutions in a shorter amount of time. In this paper, a multi-agent route planning system capable of solving the Team Orienteering Problem in a very fast and accurate manner is presented. The proposed system is based on a centralized Transformer neural network that can learn to encode the scenario (modeled as a graph) and the context of the agents to provide fast and accurate solutions. Several experiments have been performed to demonstrate that the presented system can outperform most of the state-of-the-art works in terms of computation speed. In addition, the code is publicly available at http://gti.ssr.upm.es/data.

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