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Differential evolution (DE) has competitive performance on constrained optimization problems (COPs), which targets at searching for global optimal solution without violating the constraints. Generally, researchers pay more attention on…

神经与进化计算 · 计算机科学 2018-05-14 Yuan Fu , Hu Wang , Meng-Zhu Yang

The chance-constrained knapsack problem is a variant of the classical knapsack problem where each item has a weight distribution instead of a deterministic weight. The objective is to maximize the total profit of the selected items under…

神经与进化计算 · 计算机科学 2020-04-09 Yue Xie , Aneta Neumann , Frank Neumann

Evolution strategies (ESs) are zeroth-order stochastic black-box optimization heuristics invariant to monotonic transformations of the objective function. They evolve a multivariate normal distribution, from which candidate solutions are…

数值分析 · 数学 2022-02-09 Youhei Akimoto , Anne Auger , Tobias Glasmachers , Daiki Morinaga

Feature subset selection arises in many high-dimensional applications of statistics, such as compressed sensing and genomics. The $\ell_0$ penalty is ideal for this task, the caveat being it requires the NP-hard combinatorial evaluation of…

机器学习 · 统计学 2017-06-26 Anindya Bhadra , Jyotishka Datta , Nicholas G. Polson , Brandon Willard

Direct preference optimization methods have emerged as a computationally efficient alternative to Reinforcement Learning from Human Feedback (RLHF) for aligning Large Language Models (LLMs). Latest approaches have streamlined the alignment…

机器学习 · 计算机科学 2026-02-04 Maksim Afanasyev , Illarion Iov

This research introduces a novel approach, MBO-NB, that leverages Migrating Birds Optimization (MBO) coupled with Naive Bayes as an internal classifier to address feature selection challenges in text classification having large number of…

神经与进化计算 · 计算机科学 2024-01-22 Cem Kaya , Zeynep Hilal Kilimci , Mitat Uysal , Murat Kaya

Differential Evolution (DE) is a renowned optimization stratagem that can easily solve nonlinear and comprehensive problems. DE is a well known and uncomplicated population based probabilistic approach for comprehensive optimization. It has…

神经与进化计算 · 计算机科学 2015-06-22 Sandeep Kumar , Vivek Kumar Sharma , Rajani Kumari

We present a canonical way to turn any smooth parametric family of probability distributions on an arbitrary search space $X$ into a continuous-time black-box optimization method on $X$, the \emph{information-geometric optimization} (IGO)…

最优化与控制 · 数学 2017-05-01 Yann Ollivier , Ludovic Arnold , Anne Auger , Nikolaus Hansen

This paper introduces a Multi-Strategy Improved Black Widow Optimization Algorithm (MSBWOA), designed to enhance the performance of the standard Black Widow Algorithm (BW) in solving complex optimization problems. The proposed algorithm…

神经与进化计算 · 计算机科学 2023-12-22 Xin Xu

NeuroEvolution (NE) methods are known for applying Evolutionary Computation to the optimisation of Artificial Neural Networks(ANNs). Despite aiding non-expert users to design and train ANNs, the vast majority of NE approaches disregard the…

神经与进化计算 · 计算机科学 2020-04-02 Filipe Assunção , Nuno Lourenço , Bernardete Ribeiro , Penousal Machado

This paper proposes a novel reinforcement learning (RL) algorithm using improved Monte Carlo tree search (IMCTS) formulation for discrete optimum design of truss structures. IMCTS with multiple root nodes includes update process, the best…

人工智能 · 计算机科学 2024-08-08 Fu-Yao Ko , Katsuyuki Suzuki , Kazuo Yonekura

Feature subset selection (FSS) using a wrapper approach is essentially a combinatorial optimization problem having two objective functions namely cardinality of the selected-feature-subset, which should be minimized and the corresponding…

神经与进化计算 · 计算机科学 2022-02-09 Yelleti Vivek , Vadlamani Ravi , P. Radhakrishna

Real-world optimization problems often involve stochastic and dynamic components. Evolutionary algorithms are particularly effective in these scenarios, as they can easily adapt to uncertain and changing environments but often uncertainty…

神经与进化计算 · 计算机科学 2024-04-10 Ishara Hewa Pathiranage , Frank Neumann , Denis Antipov , Aneta Neumann

This paper studies distributed estimation and inference for a general statistical problem with a convex loss that could be non-differentiable. For the purpose of efficient computation, we restrict ourselves to stochastic first-order…

机器学习 · 统计学 2022-07-19 Xi Chen , Weidong Liu , Yichen Zhang

The numerical analysis of stochastic time fractional evolution equations presents considerable challenges due to the limited regularity of the model caused by the nonlocal operator and the presence of noise. The existing time-stepping…

数值分析 · 数学 2024-01-22 Minghua Chen , Jiankang Shi , Zhen Song , Yubin Yan , Zhi Zhou

When solving optimization problems with black-box approaches, the algorithms gather valuable information about the problem instance during the optimization process. This information is used to adjust the distributions from which new…

神经与进化计算 · 计算机科学 2023-01-13 Dominik Schröder , Diederick Vermetten , Hao Wang , Carola Doerr , Thomas Bäck

In recent years, dynamically growing data and incrementally growing number of classes pose new challenges to large-scale data classification research. Most traditional methods struggle to balance the precision and computational burden when…

机器学习 · 计算机科学 2016-11-01 Tingting Xie , Yuxing Peng , Changjian Wang

Evolutionary strategies have recently been shown to achieve competing levels of performance for complex optimization problems in reinforcement learning. In such problems, one often needs to optimize an objective function subject to a set of…

神经与进化计算 · 计算机科学 2022-02-23 Youssef Diouane , Aurelien Lucchi , Vihang Patil

In this paper, an enhanced unified differential evolution algorithm, named UDE-III, is presented for real parameter-constrained optimization problems (COPs). The proposed UDE-III is a significantly enhanced version of the Improved UDE…

神经与进化计算 · 计算机科学 2024-10-08 Anupam Trivedi , Dikshit Chauhan

Distributional shifts pose a significant challenge to achieving robustness in contemporary machine learning. To overcome this challenge, robust satisficing (RS) seeks a robust solution to an unspecified distributional shift while achieving…

机器学习 · 计算机科学 2023-08-17 Artun Saday , Yaşar Cahit Yıldırım , Cem Tekin