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Algorithms, Volume 17, Issue 12

2024 December - 62 articles

Cover Story: Simulating the melting of ice layers is a complex problem, as the computational domains—represented by the red region for water and the blue region for ice—evolve step by step. Rather than employing the conventional finite element method, this work proposes an optimization-based finite difference discretization. The key advantage of this approach lies in its ability to vectorize the assembly procedure for the discretization matrix, significantly reducing computational time at each simulation step. The finite difference scheme extends the standard nine-point Laplacian approximation for rectangular meshes. Using an optimization process based on the least-squares solution of overdetermined systems, the method calculates finite difference weights for general quadrilateral meshes. View this paper
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Articles (62)

  • Article
  • Open Access
1 Citations
1,708 Views
28 Pages

23 December 2024

As power system equipment gradually ages, the automated disassembly of transformers has become a critical area of research to enhance both efficiency and safety. This paper presents a transformer disassembly system designed for power systems, leverag...

  • Review
  • Open Access
5 Citations
4,661 Views
41 Pages

UAV (Unmanned Aerial Vehicle): Diverse Applications of UAV Datasets in Segmentation, Classification, Detection, and Tracking

  • Md. Mahfuzur Rahman,
  • Sunzida Siddique,
  • Marufa Kamal,
  • Rakib Hossain Rifat and
  • Kishor Datta Gupta

23 December 2024

Unmanned Aerial Vehicles (UAVs) have transformed the process of data collection and analysis in a variety of research disciplines, delivering unparalleled adaptability and efficacy. This paper presents a thorough examination of UAV datasets, emphasiz...

  • Article
  • Open Access
1,740 Views
16 Pages

MGKGR: Multimodal Semantic Fusion for Geographic Knowledge Graph Representation

  • Jianqiang Zhang,
  • Renyao Chen,
  • Shengwen Li,
  • Tailong Li and
  • Hong Yao

23 December 2024

Geographic knowledge graph representation learning embeds entities and relationships in geographic knowledge graphs into a low-dimensional continuous vector space, which serves as a basic method that bridges geographic knowledge graphs and geographic...

  • Article
  • Open Access
15 Citations
2,099 Views
31 Pages

Optimized Analytical–Numerical Procedure for Ultrasonic Sludge Treatment for Agricultural Use

  • Filippo Laganà,
  • Salvatore A. Pullano,
  • Giovanni Angiulli and
  • Mario Versaci

21 December 2024

This paper presents an integrated approach based on physical–mathematical models and numerical simulations to optimize sludge treatment using ultrasound. The main objective is to improve the efficiency of the purification system by reducing the...

  • Article
  • Open Access
3 Citations
2,040 Views
26 Pages

21 December 2024

Building on a previously developed partially synthetic data generation algorithm utilizing data visualization techniques, this study extends the novel algorithm to generate fully synthetic tabular healthcare data. In this enhanced form, the algorithm...

  • Article
  • Open Access
885 Views
14 Pages

21 December 2024

A sensor and actuator network (SAN) is a control system where many sensors and actuators are connected through a communication network. In a SAN with redundant sensors and actuators, it is important to consider choosing sensors and actuators used in...

  • Article
  • Open Access
8 Citations
2,111 Views
38 Pages

Hybrid Arctic Puffin Algorithm for Solving Design Optimization Problems

  • Hussam N. Fakhouri,
  • Mohannad S. Alkhalaileh,
  • Faten Hamad,
  • Najem N. Sirhan and
  • Sandi N. Fakhouri

20 December 2024

This study presents an innovative hybrid evolutionary algorithm that combines the Arctic Puffin Optimization (APO) algorithm with the JADE dynamic differential evolution framework. The APO algorithm, inspired by the foraging patterns of Arctic puffin...

  • Article
  • Open Access
3 Citations
1,645 Views
16 Pages

20 December 2024

Rotating mechanical systems (RMSs) are widely applied in various industrial fields. Intelligent fault diagnosis technology plays a significant role in improving the reliability and safety of industrial equipment. A new algorithm based on improved mul...

  • Article
  • Open Access
1,946 Views
22 Pages

Unfolded Algorithms for Deep Phase Retrieval

  • Naveed Naimipour,
  • Shahin Khobahi,
  • Mojtaba Soltanalian,
  • Haleh Safavi and
  • Harry C. Shaw

20 December 2024

Exploring the idea of phase retrieval has been intriguing researchers for decades due to its appearance in a wide range of applications. The task of a phase retrieval algorithm is typically to recover a signal from linear phase-less measurements. In...

  • Article
  • Open Access
6 Citations
1,613 Views
20 Pages

Data Assimilated Atmospheric Forecasts for Digital Twin of the Ocean Applications: A Case Study in the South Aegean, Greece

  • Antonios Parasyris,
  • Vassiliki Metheniti,
  • George Alexandrakis,
  • Georgios V. Kozyrakis and
  • Nikolaos A. Kampanis

20 December 2024

This study investigated advancements in atmospheric forecasting by integrating real-time observational data into the Weather Research and Forecasting (WRF) model through the WRF-Data Assimilation (WRF-DA) framework. By refining atmospheric models, we...

  • Article
  • Open Access
3 Citations
1,588 Views
18 Pages

19 December 2024

This paper proposes a novel hybrid model that integrates failure mode and effects analysis (FMEA), Rank Order Centroid (ROC), and Combined Compromise Solution (CoCoSo) to improve risk assessment and prioritization of failure modes. A case study in th...

  • Article
  • Open Access
5 Citations
3,433 Views
21 Pages

GAGAN: Enhancing Image Generation Through Hybrid Optimization of Genetic Algorithms and Deep Convolutional Generative Adversarial Networks

  • Despoina Konstantopoulou,
  • Paraskevi Zacharia,
  • Michail Papoutsidakis,
  • Helen C. Leligou and
  • Charalampos Patrikakis

19 December 2024

Generative Adversarial Networks (GANs) are highly effective for generating realistic images, yet their training can be unstable due to challenges such as mode collapse and oscillatory convergence. In this paper, we propose a novel hybrid optimization...

  • Article
  • Open Access
1 Citations
2,203 Views
23 Pages

Data Augmentation for Voiceprint Recognition Using Generative Adversarial Networks

  • Yao-San Lin,
  • Hung-Yu Chen,
  • Mei-Ling Huang and
  • Tsung-Yu Hsieh

18 December 2024

Voiceprint recognition systems often face challenges related to limited and diverse datasets, which hinder their performance and generalization capabilities. This study proposes a novel approach that integrates generative adversarial networks (GANs)...

  • Article
  • Open Access
1 Citations
1,507 Views
14 Pages

16 December 2024

With deep learning approaches, the fundamental assumption of data availability can be severely compromised when a model trained on a source domain is transposed to a target application domain where data are unlabeled, making supervised fine-tuning mo...

  • Article
  • Open Access
4 Citations
3,762 Views
15 Pages

16 December 2024

Semi-structured decisions, which fall between highly structured and unstructured decision types, rely on human intuition and experience for the final choice, while using data and analytical models to generate tentative solutions. These processes are...

  • Article
  • Open Access
1 Citations
1,646 Views
34 Pages

16 December 2024

The control of bilateral teleoperation systems with time-varying delays is a challenging problem that is frequently addressed with advanced control techniques. Widely known controllers, like Proportional-Derivative (PD) and Proportional-Integral-Deri...

  • Article
  • Open Access
2,956 Views
16 Pages

15 December 2024

The prevalent utilization of deterministic strategy algorithms in Multi-Agent Deep Reinforcement Learning (MADRL) for collaborative tasks has posed a significant challenge in achieving stable and high-performance cooperative behavior. Addressing the...

  • Article
  • Open Access
2,337 Views
14 Pages

Applying Recommender Systems to Predict Personalized Film Age Ratings for Parents

  • Harris Papadakis,
  • Paraskevi Fragopoulou and
  • Costas Panagiotakis

14 December 2024

A motion picture content rating system categorizes a film based on its appropriateness for various audiences, considering factors such as portrayals of sex, violence, substance abuse, profanity, and other elements typically considered unsuitable for...

  • Article
  • Open Access
1,550 Views
15 Pages

A Complex Network Epidemiological Approach for Infectious Disease Spread Control with Time-Varying Connections

  • Alma Y. Alanis,
  • Gustavo Munoz-Gomez,
  • Nancy F. Ramirez,
  • Oscar D. Sanchez and
  • Jesus G. Alvarez

14 December 2024

This work introduces an impulsive neural control algorithm designed to mitigate the spread of epidemic diseases. The objective of this paper is the development of a vaccination strategy based on a PIN-type impulsive controller based on an online-trai...

  • Article
  • Open Access
1 Citations
1,810 Views
26 Pages

14 December 2024

Perfect Roman Dominating Functions and Unique Response Roman Dominating Functions are two ways to translate perfect code into the framework of Roman Dominating Functions. We also consider the enumeration of minimal Perfect Roman Dominating Functions...

  • Article
  • Open Access
1,589 Views
28 Pages

14 December 2024

In this study, we develop new efficient parallel techniques for solving both distinct and multiple roots of nonlinear problems at the same time. The parallel techniques represent an innovative contribution to the discipline, with local convergence of...

  • Article
  • Open Access
2 Citations
2,213 Views
13 Pages

14 December 2024

The abnormal structural state of the pantograph skateboard is a significant and highly concerning issue that has a significant impact on the safety of high-speed railway operation. In order to obtain real-time information on the abnormal state of the...

  • Article
  • Open Access
4 Citations
1,753 Views
34 Pages

A Multi-Strategy Improved Honey Badger Algorithm for Engineering Design Problems

  • Tao Han,
  • Tingting Li,
  • Quanzeng Liu,
  • Yourui Huang and
  • Hongping Song

13 December 2024

A multi-strategy improved honey badger algorithm (MIHBA) is proposed to address the problem that the honey badger algorithm may fall into local optimum and premature convergence when dealing with complex optimization problems. By introducing Halton s...

  • Article
  • Open Access
8 Citations
5,584 Views
19 Pages

Fair and Transparent Student Admission Prediction Using Machine Learning Models

  • George Raftopoulos,
  • Gregory Davrazos and
  • Sotiris Kotsiantis

13 December 2024

Student admission prediction is a crucial aspect of academic planning, offering insights into enrollment trends, resource allocation, and institutional growth. However, traditional methods often lack the ability to address fairness and transparency,...

  • Article
  • Open Access
2 Citations
6,051 Views
16 Pages

13 December 2024

Stroke prediction is a vital research area due to its significant implications for public health. This comparative study offers a detailed evaluation of algorithmic methodologies and outcomes from three recent prominent studies on stroke prediction....

  • Article
  • Open Access
11 Citations
13,670 Views
37 Pages

12 December 2024

This paper presents a systematic exploration of deep reinforcement learning (RL) for portfolio optimization and compares various agent architectures, such as the DQN, DDPG, PPO, and SAC. We evaluate these agents’ performance across multiple mar...

  • Editorial
  • Open Access
8 Citations
2,650 Views
6 Pages

12 December 2024

This editorial discusses recent progress in data-driven intelligent modeling and optimization algorithms for industrial processes. With the advent of Industry 4.0, the amalgamation of sophisticated data analytics, machine learning, and artificial int...

  • Article
  • Open Access
2 Citations
2,228 Views
20 Pages

A Robust Heuristics for the Online Job Shop Scheduling Problem

  • Hugo Zupan,
  • Niko Herakovič and
  • Janez Žerovnik

12 December 2024

The job shop scheduling problem (JSSP) is a popular NP-hard problem in combinatorial optimization, due to its theoretical appeal and its importance in applications. In practical applications, the online version is much closer to the needs of smart ma...

  • Systematic Review
  • Open Access
8 Citations
4,241 Views
25 Pages

Primary Methods and Algorithms in Artificial-Intelligence-Based Dental Image Analysis: A Systematic Review

  • Talal Bonny,
  • Wafaa Al Nassan,
  • Khaled Obaideen,
  • Tamer Rabie,
  • Maryam Nooman AlMallahi and
  • Swati Gupta

11 December 2024

Artificial intelligence (AI) has garnered significant attention in recent years for its potential to revolutionize healthcare, including dentistry. However, despite the growing body of literature on AI-based dental image analysis, challenges such as...

  • Article
  • Open Access
1,195 Views
15 Pages

Anchor-Based Method for Inter-Domain Mobility Management in Software-Defined Networking

  • Akichy Adon Jean Rodrigue Kanda,
  • Amanvon Ferdinand Atta,
  • Zacrada Françoise Odile Trey,
  • Michel Babri and
  • Ahmed Dooguy Kora

11 December 2024

Recently, there has been an explosive growth in wireless devices capable of connecting to the Internet and utilizing various services anytime, anywhere, often while on the move. In the realm of the Internet, such devices are called mobile nodes. When...

  • Article
  • Open Access
1 Citations
1,457 Views
21 Pages

10 December 2024

Machine-learning algorithms have made significant strides, achieving high accuracy in many applications. However, traditional models often need large datasets, as they typically peel substantial portions of the data in each iteration, complicating th...

  • Article
  • Open Access
1 Citations
1,663 Views
39 Pages

10 December 2024

This work explores the numerical translation of the weak or integral solution of nonlinear partial differential equations into a numerically efficient, time-evolving scheme. Specifically, we focus on partial differential equations separable into a qu...

  • Article
  • Open Access
1,135 Views
21 Pages

9 December 2024

This paper analyses the solution of a specific quadratic sub-problem, along with its possible applications, within both constrained and unconstrained Nonlinear Programming frameworks. We give evidence that this sub–problem may appear in a numbe...

  • Review
  • Open Access
7 Citations
3,584 Views
26 Pages

Unlocking the Potential of Remanufacturing Through Machine Learning and Data-Driven Models—A Survey

  • Yong Han Kim,
  • Wei Ye,
  • Ritbik Kumar,
  • Finn Bail,
  • Julia Dvorak,
  • Yanchao Tan,
  • Marvin Carl May,
  • Qing Chang,
  • Ragu Athinarayanan and
  • Chandra Nath
  • + 3 authors

8 December 2024

As a key strategy for achieving a circular economy, remanufacturing involves bringing end-of-use (EoU) products or cores back to a ‘like new’ condition, providing more affordable and sustainable alternatives to new products. Despite the p...

  • Article
  • Open Access
13 Citations
3,630 Views
15 Pages

Variational Autoencoders-Based Algorithm for Multi-Criteria Recommendation Systems

  • Salam Fraihat,
  • Qusai Shambour,
  • Mohammed Azmi Al-Betar and
  • Sharif Naser Makhadmeh

8 December 2024

In recent years, recommender systems have become a crucial tool, assisting users in discovering and engaging with valuable information and services. Multi-criteria recommender systems have demonstrated significant value in assisting users to identify...

  • Review
  • Open Access
1 Citations
2,855 Views
29 Pages

Sensors, Techniques, and Future Trends of Human-Engagement-Enabled Applications: A Review

  • Zhuangzhuang Dai,
  • Vincent Gbouna Zakka,
  • Luis J. Manso,
  • Martin Rudorfer,
  • Ulysses Bernardet,
  • Johanna Zumer and
  • Manolya Kavakli-Thorne

6 December 2024

Human engagement is a vital test research area actively explored in cognitive science and user experience studies. The rise of big data and digital technologies brings new opportunities into this field, especially in autonomous systems and smart appl...

  • Article
  • Open Access
1,039 Views
22 Pages

6 December 2024

Pesticide registration information is an essential part of the pesticide knowledge base. However, the large amount of unstructured text data that it contains pose significant challenges for knowledge storage, retrieval, and utilization. To address th...

  • Article
  • Open Access
6 Citations
3,288 Views
13 Pages

From Stationary to Nonstationary UAVs: Deep-Learning-Based Method for Vehicle Speed Estimation

  • Muhammad Waqas Ahmed,
  • Muhammad Adnan,
  • Muhammad Ahmed,
  • Davy Janssens,
  • Geert Wets,
  • Afzal Ahmed and
  • Wim Ectors

6 December 2024

The development of smart cities relies on the implementation of cutting-edge technologies. Unmanned aerial vehicles (UAVs) and deep learning (DL) models are examples of such disruptive technologies with diverse industrial applications that are gainin...

  • Article
  • Open Access
17 Citations
1,799 Views
17 Pages

Integrating Explanations into CNNs by Adopting Spiking Attention Block for Skin Cancer Detection

  • Inzamam Mashood Nasir,
  • Sara Tehsin,
  • Robertas Damaševičius and
  • Rytis Maskeliūnas

5 December 2024

Lately, there has been a substantial rise in the number of identified individuals with skin cancer, making it the most widespread form of cancer worldwide. Until now, several machine learning methods that utilize skin scans have been directly employe...

  • Article
  • Open Access
1 Citations
3,587 Views
14 Pages

5 December 2024

With the increasing availability of wearable devices for data collection, studies in human activity recognition have gained significant popularity. These studies report high accuracies on k-fold cross validation, which is not reflective of their gene...

  • Article
  • Open Access
1,219 Views
19 Pages

4 December 2024

In light of the accelerated development of renewable energy, inverter-based distributed power supply (IIDG) is assuming an increasingly pivotal role in contemporary power systems. This paper investigates the impact of inverter-based distributed power...

  • Article
  • Open Access
1,161 Views
27 Pages

4 December 2024

This paper introduces a comprehensive cooperative game theory framework to measure the significance of location and neighborhood relations in conjunction with the magnitude of players/parties. The significances of these relations are measured over th...

  • Article
  • Open Access
2 Citations
1,163 Views
11 Pages

m-QAM Receiver Based on Data Stream Spectral Clustering for Optical Channels Dominated by Nonlinear Phase Noise

  • Miguel Solarte-Sanchez,
  • David Marquez-Viloria,
  • Andrés E. Castro-Ospina,
  • Erick Reyes-Vera,
  • Neil Guerrero-Gonzalez and
  • Juan Botero-Valencia

3 December 2024

Optical communication systems face challenges like nonlinear noises, particularly Kerr-induced phase noise, which worsens with higher-order m-QAM formats due to their dense data-symbol sets. Advanced signal processing, including machine learning, is...

  • Article
  • Open Access
4 Citations
7,013 Views
19 Pages

A Temporal Graph Network Algorithm for Detecting Fraudulent Transactions on Online Payment Platforms

  • Diego Saldaña-Ulloa,
  • Guillermo De Ita Luna and
  • J. Raymundo Marcial-Romero

3 December 2024

A temporal graph network (TGN) algorithm is introduced to identify fraudulent activities within a digital platform. The central premise is that digital transactions can be modeled via a graph network where various entities interact. The data used to...

  • Article
  • Open Access
2 Citations
1,671 Views
23 Pages

Ellipsoidal K-Means: An Automatic Clustering Approach for Non-Uniform Data Distributions

  • Alaa E. Abdel-Hakim,
  • Abdel-Monem M. Ibrahim,
  • Kheir Eddine Bouazza,
  • Wael Deabes and
  • Abdel-Rahman Hedar

3 December 2024

Traditional K-means clustering assumes, to some extent, a uniform distribution of data around predefined centroids, which limits its effectiveness for many realistic datasets. In this paper, a new clustering technique, simulated-annealing-based ellip...

  • Article
  • Open Access
6 Citations
2,989 Views
24 Pages

3 December 2024

The deployment of intrusion detection systems (IDSs) is essential for protecting network resources and infrastructure against malicious threats. Despite the wide use of various machine learning methods in IDSs, such systems often struggle to achieve...

  • Article
  • Open Access
4 Citations
2,723 Views
17 Pages

New Insights into Fuzzy Genetic Algorithms for Optimization Problems

  • Oleksandr Syzonov,
  • Stefania Tomasiello and
  • Nicola Capuano

2 December 2024

In this paper, we shed light on the use of two types of fuzzy genetic algorithms, which stand out from the literature due to the innovative ideas behind them. One is the Gendered Fuzzy Genetic Algorithm, where the crossover mechanism is regulated by...

  • Article
  • Open Access
5 Citations
2,210 Views
29 Pages

2 December 2024

In an intelligent driving environment, monitoring the physiological state of drivers is crucial for ensuring driving safety. This paper proposes a method for monitoring and analyzing driver physiological characteristics by combining electronic vehicl...

  • Article
  • Open Access
2 Citations
1,753 Views
14 Pages

Tradeoffs When Building and Running Cohort and Patient-Level Markov Simulation Models

  • Balázs Nagy,
  • Ahmad Nader Fasseeh,
  • Jonathan D. Campbell,
  • Zoltán Kaló,
  • Kareem Ahmed El-Fass,
  • Rok Hren and
  • Bertalan Németh

2 December 2024

The choice of health care modeling approaches is driven by trade-offs between various modeling techniques. This study evaluates cohort (CH) versus patient-level (PL) Markov modeling techniques within a cost-effectiveness analysis framework to underst...

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Algorithms - ISSN 1999-4893