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Whale Optimization Algorithm (WOA) is a nature-inspired meta-heuristic optimization algorithm, which was proposed by Mirjalili and Lewis in 2016. This algorithm has shown its ability to solve many problems. Comprehensive surveys have been…

Neural and Evolutionary Computing · Computer Science 2019-04-25 Hardi M. Mohammed , Shahla U. Umar , Tarik A. Rashid

Clustering non-Euclidean data is difficult, and one of the most used algorithms besides hierarchical clustering is the popular algorithm Partitioning Around Medoids (PAM), also simply referred to as k-medoids. In Euclidean geometry the…

Machine Learning · Computer Science 2024-07-08 Erich Schubert , Peter J. Rousseeuw

Clustering non-Euclidean data is difficult, and one of the most used algorithms besides hierarchical clustering is the popular algorithm Partitioning Around Medoids (PAM), also simply referred to as k-medoids clustering. In Euclidean…

Machine Learning · Computer Science 2024-07-08 Erich Schubert , Peter J. Rousseeuw

Recently the engineering optimization problems require large computational demands and long solution time even on high multi-processors computational devices. In this paper, an OpenMP inspired parallel version of the whale optimization…

Neural and Evolutionary Computing · Computer Science 2018-07-25 Amr M. Sauber , Mohammed M. Nasef , Essam H. Houssein , Aboul Ella Hassanien

k-medoids algorithm is a partitional, centroid-based clustering algorithm which uses pairwise distances of data points and tries to directly decompose the dataset with $n$ points into a set of $k$ disjoint clusters. However, k-medoids…

Machine Learning · Computer Science 2015-12-15 Mehrdad Ghadiri , Amin Aghaee , Mahdieh Soleymani Baghshah

The Whale Optimization Algorithm (WOA) has shown strong optimization ability but still suffers from premature convergence and weak search diversity. To address these issues, this paper proposes an enhanced WOA variant called CICDWOA. The…

Computational Engineering, Finance, and Science · Computer Science 2026-03-24 Junhao Wei , Yanxiao Li , Seyedali Mirjalili , Dexing Yao , Yifu Zhao , Haochen Li , Xudong Ye , Zikun Li , Qingyang Xu , Baili Lu , Ngai Cheong , Dengcheng Yang , Sio-Kei Im , Yapeng Wang , Xu Yang

Clustering is a ubiquitous task in data science. Compared to the commonly used $k$-means clustering, $k$-medoids clustering requires the cluster centers to be actual data points and support arbitrary distance metrics, which permits greater…

Machine Learning · Computer Science 2020-12-08 Mo Tiwari , Martin Jinye Zhang , James Mayclin , Sebastian Thrun , Chris Piech , Ilan Shomorony

Partitioning Around Medoids (PAM, k-Medoids) is a popular clustering technique to use with arbitrary distance functions or similarities, where each cluster is represented by its most central object, called the medoid or the discrete median.…

Machine Learning · Computer Science 2023-09-07 Lars Lenssen , Erich Schubert

Task scheduling is a critical research challenge in cloud computing, a transformative technology widely adopted across industries. Although numerous scheduling solutions exist, they predominantly optimize singular or limited metrics such as…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-11 Zhi Zhao , Hang Xiao , Wei Rang

Whale Optimization Algorithm (WOA) suffers from limited global search ability, slow convergence, and tendency to fall into local optima, restricting its effectiveness in hyperparameter optimization for machine learning models. To address…

Computational Engineering, Finance, and Science · Computer Science 2025-12-08 Junhao Wei , Yanzhao Gu , Ran Zhang , Mingjing Huang , Jinhong Song , Yanxiao Li , Wenxuan Zhu , Yapeng Wang , Zikun Li , Zhiwen Wang , Xu Yang , Ngai Cheong

Hierarchical and k-medoids clustering are deterministic clustering algorithms based on pairwise distances. Using these same pairwise distances, we propose a novel stochastic clustering method based on random partition distributions. We call…

Methodology · Statistics 2021-06-08 David B. Dahl , Jacob Andros , J. Brandon Carter

In order to explore the possibility of cross-fertilization between quantum computing and neural networks as well as to improve the classification performance of quantum neural networks, this paper proposes an improved Variable Split Shadow…

Quantum Physics · Physics 2025-05-16 Shuang Wu , Xueliang Song , Yumin Dong , Fanghua Jia

Wireless Sensor Network (WSN) consists of many individual sensors that are deployed in the area of interest. These sensor nodes have major energy constraints as they are small and their battery can't be replaced. They collaborate together…

Neural and Evolutionary Computing · Computer Science 2017-11-28 Ashwin R Jadhav , T. Shankar

K-Medoids(KM) is a standard clustering method, used extensively on semi-metric data.Error analyses of KM have traditionally used an in-sample notion of error,which can be far from the true error and suffer from generalization gap. We…

Machine Learning · Computer Science 2019-10-31 Aravindakshan Babu , Saurabh Agarwal , Sudarshan Babu , Hariharan Chandrasekaran

It is essential that all algorithms are exhaustively, somewhat, and intelligently evaluated. Nonetheless, evaluating the effectiveness of optimization algorithms equitably and fairly is not an easy process for various reasons. Choosing and…

The present survey provides the state-of-the-art of research, copiously devoted to Evolutionary Approach (EAs) for clustering exemplified with a diversity of evolutionary computations. The Survey provides a nomenclature that highlights some…

Neural and Evolutionary Computing · Computer Science 2013-12-10 Ramachandra Rao Kurada , Dr. K Karteeka Pavan , Dr. AV Dattareya Rao

This paper is concerned with data clustering to separate clusters based on the connectivity principle for categorizing similar and dissimilar data into different groups. Although classical clustering algorithms such as K-means are efficient…

Machine Learning · Computer Science 2023-11-01 Sayed Pedram Haeri Boroujeni , Elnaz Pashaei

Wireless Sensor Networks (WSNs) are essential for monitoring and communication in complex environments, where coverage optimization directly affects performance and energy efficiency. However, traditional algorithms such as the Whale…

Computational Engineering, Finance, and Science · Computer Science 2025-12-03 Junhao Wei , Yanzhao Gu , Ran Zhang , Yanxiao Li , Wenxuan Zhu , Jinhong Song , Yapeng Wang , Xu Yang , Ngai Cheong

A recent metaheuristic algorithm, such as Whale Optimization Algorithm (WOA), was proposed. The idea of proposing this algorithm belongs to the hunting behavior of the humpback whale. However, WOA suffers from poor performance in the…

Neural and Evolutionary Computing · Computer Science 2020-03-27 Hardi M. Mohammed , Tarik A. Rashid

Most real-world optimization problems often come with multiple global optima or local optima. Therefore, increasing niching metaheuristic algorithms, which devote to finding multiple optima in a single run, are developed to solve these…

Neural and Evolutionary Computing · Computer Science 2019-07-08 Bing Zeng , Xinyu Li , Liang Gao , Yuyan Zhang , Haozhen Dong
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