clustering 1 optimization 1 k-center clustering 1 data points 1 centers 1 euclidean distance 1 maximum distance 1 NP-hard 1 greedy algorithm 1 approximation algorithm 1 covering problem 1 computational complexity 1 geometric algorithms 1 machine learning 1 pattern recognition 1 spatial analysis 1 graph theory 1 mathematical optimization 1 dimensionality reduction 1 mutual information 1 correlation-based feature selection 1 Genetic algorithm (GA) 1 Particle swarm optimization (PSO) 1 Ant colony optimization (ACO) 1 Differential evolution (DE) 1 Simulated annealing 1 Grey wolf optimizer (GWO) 1 Whale Optimization Algorithm (WOA) 1 confusion matrix 1 recall 1 precision 1 accuracy 1 K-Nearest Neighbors 1 pearson correlation coefficient (PCC) 1 spearman correlation coefficient (SCC) 1 multi-objectives optimization problems 1 Stochastic optimization 1 Global optimization 1 Convergence analysis 1 Search space exploration 1 Local search 1 Computational intelligence 1 Robust optimization 1 Performance analysis 1 Intelligent optimization 1 Simulations 1 classification 1 clustering-methods 1 genetic-algorithm 1 global-search 1 k-center-problem 1 kmeans 1 kmeans-clustering 1 mealpy 1 particle-swarm-optimization 1 unsupervised-learning 1 whale-optimization-algorithm 1