Orthogonal learning covariance matrix for defects of grey wolf optimizer: Insights, balance, diversity, and feature selection

J Hu, H Chen, AA Heidari, M Wang, X Zhang… - Knowledge-Based …, 2021 - Elsevier
This research's genesis is in two aspects: first, a guaranteed solution for mitigating the grey
wolf optimizer's (GWO) defect and deficiencies. Second, we provide new open-minding …

Improved binary grey wolf optimizer and its application for feature selection

P Hu, JS Pan, SC Chu - Knowledge-Based Systems, 2020 - Elsevier
Abstract Grey Wolf Optimizer (GWO) is a new swarm intelligence algorithm mimicking the
behaviours of grey wolves. Its abilities include fast convergence, simplicity and easy …

Multi-strategy ensemble grey wolf optimizer and its application to feature selection

Q Tu, X Chen, X Liu - Applied Soft Computing, 2019 - Elsevier
To overcome the limitation of single search strategy of grey wolf optimizer (GWO) in solving
various function optimization problems, we propose a multi-strategy ensemble GWO …

A review of grey wolf optimizer-based feature selection methods for classification

Q Al-Tashi, H Md Rais, SJ Abdulkadir, S Mirjalili… - Evolutionary machine …, 2020 - Springer
Feature selection is imperative in machine learning and data mining when we have high-
dimensional datasets with redundant, nosy and irrelevant features. The area of feature …

MbGWO-SFS: Modified binary grey wolf optimizer based on stochastic fractal search for feature selection

ESM El-Kenawy, MM Eid, M Saber, A Ibrahim - IEEE Access, 2020 - ieeexplore.ieee.org
Grey Wolf Optimizer (GWO) simulates the grey wolves' nature in leadership and hunting
manners. GWO showed a good performance in the literature as a meta-heuristic algorithm …

Large scale salp-based grey wolf optimization for feature selection and global optimization

M Qaraad, S Amjad, NK Hussein… - Neural Computing and …, 2022 - Springer
Salp swarm algorithm (SSA) is a recently developed meta-heuristic swarm intelligence
optimization algorithm based on simulating the chain movement behavior of salps sailing …

A new hybrid algorithm based on grey wolf optimization and crow search algorithm for unconstrained function optimization and feature selection

S Arora, H Singh, M Sharma, S Sharma, P Anand - Ieee Access, 2019 - ieeexplore.ieee.org
Grey wolf optimizer (GWO) is a very efficient metaheuristic inspired by the hierarchy of the
Canis lupus wolves. It has been extensively employed to a variety of practical applications …

Memory, evolutionary operator, and local search based improved Grey Wolf Optimizer with linear population size reduction technique

R Ahmed, GP Rangaiah, S Mahadzir, S Mirjalili… - Knowledge-Based …, 2023 - Elsevier
Optimization of multi-modal functions is challenging even for evolutionary and swarm-based
algorithms as it requires an efficient exploration for finding the promising region of the …

A local opposition-learning golden-sine grey wolf optimization algorithm for feature selection in data classification

Z Li - Applied Soft Computing, 2023 - Elsevier
The classification problem is an important research topic in machine learning and data
mining. Feature selection can remove irrelevant and redundant features and improve …

Hybrid binary grey wolf with Harris hawks optimizer for feature selection

R Al-Wajih, SJ Abdulkadir, N Aziz, Q Al-Tashi… - IEEE …, 2021 - ieeexplore.ieee.org
Despite Grey Wolf Optimizer's (GWO) superior performance in many areas, stagnation in
local optima areas may still be a concern. Several significant GWO factors can be explored …