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On empirical memory design, faster selection of bayesian factorizations and parameter-free gaussian EDAs

Published: 08 July 2009 Publication History

Abstract

Often, Estimation-of-Distribution Algorithms (EDAs) are praised for their ability to optimize a broad class of problems. EDA applications are however still limited. Often heard criticism is that a large population size is required and that distribution estimation takes long. Here we look at possibilities for improvements in these areas. We first discuss the use of a memory to aggregate information over multiple generations and reduce the population size. The approach we take, empirical risk minimization to perform non-linear regression of memory parameters, may well be generalizable to other EDAs. We design a memory this way for a Gaussian EDA and observe smaller population size requirements and fewer evaluations used. We also speed up the selection of Bayesian factorizations for Gaussian EDAs by sorting the entries in the covariance matrix. Finally, we discuss parameter-free Gaussian EDAs for real-valued single-objective optimization. We propose to not only increase the population size in subsequent runs, but to also divide it over parallel runs across the search space. On some multimodal problems improvements are thereby obtained.

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cover image ACM Conferences
GECCO '09: Proceedings of the 11th Annual conference on Genetic and evolutionary computation
July 2009
2036 pages
ISBN:9781605583259
DOI:10.1145/1569901
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 08 July 2009

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Author Tags

  1. estimation of distribution algorithms
  2. evolutionary algorithms
  3. learning
  4. memory
  5. numerical optimization

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GECCO09
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GECCO09: Genetic and Evolutionary Computation Conference
July 8 - 12, 2009
Québec, Montreal, Canada

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Overall Acceptance Rate 1,669 of 4,410 submissions, 38%

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  • (2024)Balancing Between Time Budgets and Costs in Surrogate-Assisted Evolutionary AlgorithmsParallel Problem Solving from Nature – PPSN XVIII10.1007/978-3-031-70068-2_20(322-339)Online publication date: 7-Sep-2024
  • (2023)Bi-objective optimization of organ properties for the simulation of intracavitary brachytherapy applicator placement in cervical cancerMedical Imaging 2023: Image-Guided Procedures, Robotic Interventions, and Modeling10.1117/12.2647129(16)Online publication date: 3-Apr-2023
  • (2021)Study of Evaluation Based on Distance from Average Solution on Moyamoya Disease and Energy applicationREST Journal on Emerging trends in Modelling and Manufacturing10.46632/7/4/37:4(117-124)Online publication date: 1-Dec-2021
  • (2021)Random mask-based estimation of the distribution algorithm for stacked auto-encoder one-step pre-trainingComputers and Industrial Engineering10.1016/j.cie.2021.107400158:COnline publication date: 1-Aug-2021
  • (2020)Leveraging conditional linkage models in gray-box optimization with the real-valued gene-pool optimal mixing evolutionary algorithmProceedings of the 2020 Genetic and Evolutionary Computation Conference10.1145/3377930.3390225(603-611)Online publication date: 25-Jun-2020
  • (2019)Large-Scale Estimation of Distribution Algorithms with Adaptive Heavy Tailed Random Projection EnsemblesJournal of Computer Science and Technology10.1007/s11390-019-1973-134:6(1241-1257)Online publication date: 22-Nov-2019
  • (2016)Toward large-scale continuous edaEvolutionary Computation10.1162/EVCO_a_0015024:2(255-291)Online publication date: 1-Jun-2016
  • (2016)REMEDA: Random Embedding EDA for Optimising Functions with Intrinsic DimensionParallel Problem Solving from Nature – PPSN XIV10.1007/978-3-319-45823-6_80(859-868)Online publication date: 31-Aug-2016
  • (2015)In Search of Optimal Linkage TreesProceedings of the Companion Publication of the 2015 Annual Conference on Genetic and Evolutionary Computation10.1145/2739482.2764679(1375-1376)Online publication date: 11-Jul-2015
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