Results 1 to 10 of about 56,271 (120)

An improved hyperparameter optimization framework for AutoML systems using evolutionary algorithms

open access: yesScientific Reports, 2023
For any machine learning model, finding the optimal hyperparameter setting has a direct and significant impact on the model’s performance. In this paper, we discuss different types of hyperparameter optimization techniques.
Amala Mary Vincent, P. Jidesh
doaj   +1 more source

Tuning of Bayesian optimization for materials synthesis: simulation of the one-dimensional case

open access: yesScience and Technology of Advanced Materials: Methods, 2022
Materials exploration requires the optimization of a multidimensional space including the chemical composition and synthesis parameters such as temperature and pressure.
Ryo Nakayama   +8 more
doaj   +1 more source

Bayesian optimization of traveling wave-like wall deformation for friction drag reduction in turbulent channel flow

open access: yesJournal of Fluid Science and Technology, 2021
We attempt to optimize the control parameters of traveling wave-like wall deformation for turbulent friction drag reduction using the Bayesian optimization. The Bayesian optimization is an optimization method based on stochastic processes, and it is good
Yusuke NABAE, Koji FUKAGATA
doaj   +1 more source

Enhanced machine learning tree classifiers for lithology identification using Bayesian optimization

open access: yesApplied Computing and Geosciences, 2022
Lithology identification is a fundamental activity in oil and gas exploration. The application of artificial intelligence (AI) is currently being adopted as a state-of-the-art means of automating lithology identification.
Solomon Asante-Okyere   +2 more
doaj   +1 more source

Improved Bayesian Optimization Framework for Inverse Thermal Conductivity Based on Transient Plane Source Method

open access: yesEntropy, 2023
In order to reduce the errors caused by the idealization of the conventional analytical model in the transient planar source (TPS) method, a finite element model that more closely represents the actual heat transfer process was constructed.
Hualin Ji   +4 more
doaj   +1 more source

Hybrid algorithm of Bayesian optimization and evolutionary algorithm in crystal structure prediction

open access: yesScience and Technology of Advanced Materials: Methods, 2022
We propose a highly efficient searching algorithm in crystal structure prediction. The searching algorithm is a hybrid of the evolutionary algorithm and Bayesian optimization. The evolutionary algorithm is widely used in crystal structure prediction, and
Tomoki Yamashita   +4 more
doaj   +1 more source

Bayesian optimization for computationally extensive probability distributions. [PDF]

open access: yesPLoS ONE, 2018
An efficient method for finding a better maximizer of computationally extensive probability distributions is proposed on the basis of a Bayesian optimization technique.
Ryo Tamura, Koji Hukushima
doaj   +1 more source

HYPERPARAMETER OPTIMIZATION BASED ON A PRIORI AND A POSTERIORI KNOWLEDGE ABOUT CLASSIFICATION PROBLEM [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2020
Subject of Research. The paper deals with Bayesian method for hyperparameter optimization of algorithms, used in machine learning for classification problems.
Valentina S. Smirnova   +3 more
doaj   +1 more source

Optimizing Automated Trading Systems with Deep Reinforcement Learning

open access: yesAlgorithms, 2023
In this paper, we propose a novel approach to optimize parameters for strategies in automated trading systems. Based on the framework of Reinforcement learning, our work includes the development of a learning environment, state representation, reward ...
Minh Tran, Duc Pham-Hi, Marc Bui
doaj   +1 more source

Bayesian Optimization for QAOA

open access: yesIEEE Transactions on Quantum Engineering, 2023
The quantum approximate optimization algorithm (QAOA) adopts a hybrid quantum-classical approach to find approximate solutions to variational optimization problems.
Simone Tibaldi   +3 more
doaj   +1 more source

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