Cited by 11Mathematical and Theoretical Epidemiology and Ecology ModelsReinforcement Learning in RoboticsSimulation Techniques and Applications

Evolution of a Complex Predator-Prey Ecosystem on Large-scale Multi-Agent Deep Reinforcement Learning

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Yamada, Jun, Shawe-Taylor, John, Fountas, Zafeirios·2020·2020 International Joint Conference on Neural Networks (IJCNN)

Abstract

Simulation of population dynamics is a central research theme in computational biology, which contributes to understanding the interactions between predators and preys. Conventional mathematical tools of this theme, however, are incapable of accounting for several important attributes of such systems, such as the intelligent and adaptive behavior exhibited by individual agents. This unrealistic setting is often insufficient to simulate properties of population dynamics found in the real-world. In this work, we leverage multi-agent deep reinforcement learning, and we propose a new model of large-scale predator-prey ecosystems. Using different variants of our proposed environment, we show that multi-agent simulations can exhibit key real-world dynamical properties. To obtain this behavior, we firstly define a mating mechanism such that existing agents reproduce new individuals bound by the conditions of the environment. Furthermore, we incorporate a real-time evolutionary algorithm and show that reinforcement learning enhances the evolution of the agents' physical properties such as speed, attack and resilience against attacks.

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Crossref · 10.1109/ijcnn48605.2020.9206765

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  1. J. Endler, "Defense against predators," Defense Against Predators, pp. 109-134, 01 1986.
  2. A. Tsoularis, "Reinforcement learning in predator-prey interactions," WSEAS Transactions on Biology and Biomedicine, vol. 2, pp. 141-146, April 2005.

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Authors
Yamada, J., Shawe-Taylor, J., & Fountas, Z.
Affiliations
University College London (GB)
Venue
2020 International Joint Conference on Neural Networks (IJCNN)
Publisher
IEEE
Published
2020-07
Pages
1-8
ISSN
2161-4407 (ISSN-L)
OpenAlex
W3004630518
Cited by
11
References
37
Citations by year
2025: 3 · 2024: 2 · 2023: 1 · 2022: 5
FWCI
8.80
Type
conference paper
Language
en
Open access
Locations
  • International Joint Conference on Neural Networks (IJCNN) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mathematical and Theoretical Epidemiology and Ecology Models
  • Physical Sciences › Computer Science › Artificial Intelligence › Reinforcement Learning in Robotics
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Simulation Techniques and Applications
Keywords
population dynamics, multi-agent deep reinforcement learning, agent-based modeling, adaptive behavior, agent evolution

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