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- posterAugust 2024
A Cooperative Coevolution Neural Architecture Search Approach for Evolving Convolutional Neural Networks
GECCO '24 Companion: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 599–602https://doi.org/10.1145/3638530.3654102Evolutionary Neural Architecture Search (ENAS) automates convolutional neural network (CNNs) construction. Cooperative Coevolution (COCE) divides an optimisation problem into sub-problems. Our COCE ENAS algorithm decomposes a CNN into sub-architectures, ...
- research-articleJuly 2024
Learning Aligned Local Evaluations For Better Credit Assignment In Cooperative Coevolution
GECCO '24: Proceedings of the Genetic and Evolutionary Computation ConferencePages 286–294https://doi.org/10.1145/3638529.3654157Cooperative coevolutionary algorithms prove effective in solving tasks that can be easily decoupled into subproblems. When applied to problems with high coupling (where the fitness depends heavily on specific joint actions), evolution is often stifled by ...
- research-articleSeptember 2023
Distributed Cooperative Coevolution of Data Publishing Privacy and Transparency
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 18, Issue 1Article No.: 20, Pages 1–23https://doi.org/10.1145/3613962Data transparency is beneficial to data participants’ awareness, users’ fairness, and research work’s reproducibility. However, when addressing transparency requirements, we cannot ignore data privacy. This article defines the multi-objective data ...
- research-articleAugust 2021
Constraint-Objective Cooperative Coevolution for Large-scale Constrained Optimization
ACM Transactions on Evolutionary Learning and Optimization (TELO), Volume 1, Issue 3Article No.: 12, Pages 1–26https://doi.org/10.1145/3469036Large-scale optimization problems and constrained optimization problems have attracted considerable attention in the swarm and evolutionary intelligence communities and exemplify two common features of real problems, i.e., a large scale and constraint ...
- research-articleJuly 2021
A genetic fuzzy system for interpretable and parsimonious reinforcement learning policies
GECCO '21: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 1630–1638https://doi.org/10.1145/3449726.3463198Reinforcement learning (RL) is experiencing a resurgence in research interest, where Learning Classifier Systems (LCSs) have been applied for many years. However, traditional Michigan approaches tend to evolve large rule bases that are difficult to ...
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- research-articleJune 2020
A Predictive-Reactive Approach with Genetic Programming and Cooperative Coevolution for the Uncertain Capacitated Arc Routing Problem
Evolutionary Computation (EVOL), Volume 28, Issue 2Pages 289–316https://doi.org/10.1162/evco_a_00256The uncertain capacitated arc routing problem is of great significance for its wide applications in the real world. In the uncertain capacitated arc routing problem, variables such as task demands and travel costs are realised in real time. This may cause ...
- research-articleMay 2020
Multi-level Fitness Critics for Cooperative Coevolution
AAMAS '20: Proceedings of the 19th International Conference on Autonomous Agents and MultiAgent SystemsPages 1143–1151In many multiagent domains, and particularly in tightly coupled domains, teasing an agent's contribution to the system performance based on a single episodic return is difficult. This well-known difficulty hits state-to-action mapping approaches such as ...
- research-articleApril 2020
A Cooperative Coevolutionary Algorithm For KNN Training Set Optimization
ICIIP '19: Proceedings of the 4th International Conference on Intelligent Information ProcessingPages 356–361https://doi.org/10.1145/3378065.3378133The traditional evolutionary instance selection algorithm has the risk of redundant and noise training samples in the training set selection, which affects the classification effect. In this paper, instance selection, instance weighting and feature ...
- research-articleJuly 2019
Investigating the effects of population size and the number of subcomponents on the performance of SHADE algorithm with random adaptive grouping for LSGO problems
GECCO '19: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 269–270https://doi.org/10.1145/3319619.3322039Large-scale global optimization (LSGO) problems are known as hard problems for many evolutionary algorithms (EAs). LSGO problems are usually computationally costly, thus an experimental analysis for choosing an appropriate algorithm and its parameter ...
- research-articleDecember 2018
Cooperative Coevolution with Formula-Based Variable Grouping for Large-Scale Global Optimization
Evolutionary Computation (EVOL), Volume 26, Issue 4Pages 569–596https://doi.org/10.1162/evco_a_00214For a large-scale global optimization (LSGO) problem, divide-and-conquer is usually considered an effective strategy to decompose the problem into smaller subproblems, each of which can then be solved individually. Among these decomposition methods, ...
- articleSeptember 2018
Emergent solutions to high-dimensional multitask reinforcement learning
Evolutionary Computation (EVOL), Volume 26, Issue 3Pages 347–380https://doi.org/10.1162/evco_a_00232Algorithms that learn through environmental interaction and delayed rewards, or reinforcement learning RL, increasingly face the challenge of scaling to dynamic, high-dimensional, and partially observable environments. Significant attention is being ...
- research-articleJuly 2018
A historical interdependency based differential grouping algorithm for large scale global optimization
GECCO '18: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 1711–1715https://doi.org/10.1145/3205651.3208278Cooperative co-evolution (CC) is a powerful evolutionary computation framework for solving large scale global optimization (LSGO) problems via the strategy of "divide-and-conquer", but its efficiency highly relies on the decomposition result. Existing ...
- posterJuly 2018
Enhancing cooperative coevolution for large scale optimization by adaptively constructing surrogate models
GECCO '18: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 221–222https://doi.org/10.1145/3205651.3205797It has been shown that cooperative coevolution (CC) can effectively deal with large scale optimization problems (LSOPs) through a divide-and-conquer strategy. However, its performance is severely restricted by the current context-vector-based sub-...
- research-articleJuly 2018
A global information based adaptive threshold for grouping large scale optimization problems
GECCO '18: Proceedings of the Genetic and Evolutionary Computation ConferencePages 833–840https://doi.org/10.1145/3205455.3205641By taking the idea of divide-and-conquer, cooperative coevolution (CC) provides a powerful architecture for large scale global optimization (LSGO) problems, but its efficiency highly relies on the decomposition strategy. It has been shown that ...
- research-articleJuly 2017
Large scale optimization of computationally expensive functions: an approach based on parallel cooperative coevolution and fitness metamodeling
GECCO '17: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 1788–1795https://doi.org/10.1145/3067695.3084214In recent years, research on large scale global optimization (LSGO) provided metaheuristics able to effectively tackle real-valued objective functions depending on thousand of variables. Nevertheless, finding a suitable solution of LSGO problems often ...
- abstractJuly 2017
Solving a large sudoku by co-evolving numerals
GECCO '17: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 29–30https://doi.org/10.1145/3067695.3082050Recently we introduced an approach to solving Sudoku problems with co-evolution [4]: Resource-defined Fitness Sharing for Sudoku (RFSS). The idea is to find a set of non-conflicting numerals such that every cell in the puzzle is "covered" by a numeral. ...
- abstractJuly 2017
An efficient vector-growth decomposition algorithm for cooperative coevolution in solving large scale problems
GECCO '17: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 41–42https://doi.org/10.1145/3067695.3082048By taking the idea of divide-and-conquer, cooperative coevolution provides a powerful architecture for large scale optimization problems, but its efficiency depends heavily on the decomposition strategy. Existing decomposition algorithms either cannot ...
- posterJuly 2017
Embodied evolution versus cooperative coevolution in multi-robot optimization: a practical comparison
GECCO '17: Proceedings of the Genetic and Evolutionary Computation Conference CompanionPages 79–80https://doi.org/10.1145/3067695.3076083In this paper we show the potentiality of Embodied Evolution in the optimization of general multi-robot systems, as compared to state-of-the-art approaches based on Cooperative Coevolution. The comparison is carried out in a real application problem of ...
- articleJuly 2016
A strategic conflict avoidance approach based on cooperative coevolutionary with the dynamic grouping strategy
International Journal of Systems Science (IJSS), Volume 47, Issue 9Pages 1995–2008https://doi.org/10.1080/00207721.2014.966282Conflict avoidance plays a crucial role in guaranteeing the safety and efficiency of the air traffic management system. Recently, the strategic conflict avoidance SCA problem has attracted more and more attention. Taking into consideration the large-...