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154 Results Found

  • Article
  • Open Access
4 Citations
5,046 Views
27 Pages

Clustering Algorithm with a Greedy Agglomerative Heuristic and Special Distance Measures

  • Guzel Shkaberina,
  • Leonid Verenev,
  • Elena Tovbis,
  • Natalia Rezova and
  • Lev Kazakovtsev

1 June 2022

Automatic grouping (clustering) involves dividing a set of objects into subsets (groups) so that the objects from one subset are more similar to each other than to the objects from other subsets according to some criterion. Kohonen neural networks ar...

  • Article
  • Open Access
1,986 Views
8 Pages

1 December 2013

The traveling salesman problem (TSP) is one of the typical NP–Hard problems of combinatorial optimization area. This paper proposes a new hyper heuristic algorithm named Parametric Hybrid Method (PHM) based on The Farthest Vertex (FV) and Greedy heur...

  • Article
  • Open Access
16 Citations
7,568 Views
20 Pages

9 February 2018

To improve energy efficiency and maintain the stability of the power grid, time-of-use (TOU) electricity tariffs have been widely used around the world, which bring both opportunities and challenges to the energy-efficient scheduling problems. Single...

  • Article
  • Open Access
20 Citations
7,043 Views
15 Pages

28 February 2021

This paper presents a performance comparison of greedy heuristics for a recent variant of the dominating set problem known as the minimum positive influence dominating set (MPIDS) problem. This APX-hard combinatorial optimization problem has applicat...

  • Article
  • Open Access
23 Citations
3,301 Views
19 Pages

18 May 2021

In the Industrial Internet, computing- and power-limited mobile devices (MDs) in the production process can hardly support the computation-intensive or time-sensitive applications. As a new computing paradigm, mobile edge computing (MEC) can almost m...

  • Article
  • Open Access
15 Citations
3,047 Views
21 Pages

3 March 2023

Owing to the different quantities and processing times of sub-lots, intermingling sub-lots with each other, instead of fixing the production sequence of sub-lots of a lot as in the existing studies, is a more practical approach to lot-streaming flow...

  • Article
  • Open Access
27 Citations
9,123 Views
18 Pages

Multiple Hungarian Method for k-Assignment Problem

  • Boštjan Gabrovšek,
  • Tina Novak,
  • Janez Povh,
  • Darja Rupnik Poklukar and
  • Janez Žerovnik

17 November 2020

The k-assignment problem (or, the k-matching problem) on k-partite graphs is an NP-hard problem for k3. In this paper we introduce five new heuristics. Two algorithms, Bm and Cm, arise as natural improvements of Algorithm Am from (He et al., in:...

  • Article
  • Open Access
5 Citations
3,607 Views
16 Pages

13 January 2024

This paper presents a novel eight-step iterative algorithm for optimizing the layout of a neighborhood, focusing on the efficient allocation of houses to strategically placed facilities, herein referred to as ’points of interest’. The met...

  • Article
  • Open Access
25 Citations
6,078 Views
30 Pages

9 May 2019

In this paper, we propose a variable block insertion heuristic (VBIH) algorithm to solve the permutation flow shop scheduling problem (PFSP). The VBIH algorithm removes a block of jobs from the current solution. It applies an insertion local search t...

  • Article
  • Open Access
6 Citations
2,491 Views
24 Pages

9 September 2022

As an important direction of topology management and infrastructure construction in Internet of Vehicles (IoV), the problem of roadside unit deployment has been discussed a lot. Considering the problem of communication occlusion caused by mobile vehi...

  • Article
  • Open Access
2,754 Views
18 Pages

26 October 2022

To achieve the principles of reduction, resource, and harmless disposal of domestic waste, the circular economy prolongs the life cycle of resources by converting waste into renewable resources through sorting, recycling, and other ways. There are st...

  • Article
  • Open Access
11 Citations
4,045 Views
17 Pages

10 January 2019

Device-to-device (D2D) communications can be adopted as a promising solution to attain high quality of service (QoS) for a network. However, D2D communications generates harmful interference when available resources are shared with traditional cellul...

  • Article
  • Open Access
46 Citations
7,065 Views
29 Pages

13 March 2019

Recently, a massive migration of enterprise applications to the cloud has been recorded in the IT world. One of the challenges of cloud computing is Quality-of-Service management, which includes the adoption of appropriate methods for allocating clou...

  • Article
  • Open Access
14 Citations
3,229 Views
22 Pages

A New Algorithm for Computing Disjoint Orthogonal Components in the Three-Way Tucker Model

  • Carlos Martin-Barreiro,
  • John A. Ramirez-Figueroa,
  • Ana B. Nieto-Librero,
  • Víctor Leiva,
  • Ana Martin-Casado and
  • M. Purificación Galindo-Villardón

20 January 2021

One of the main drawbacks of the traditional methods for computing components in the three-way Tucker model is the complex structure of the final loading matrices preventing an easy interpretation of the obtained results. In this paper, we propose a...

  • Article
  • Open Access
11 Citations
3,898 Views
32 Pages

21 March 2022

In on-grid microgrids, electric vehicles (EVs) have to be efficiently scheduled for cost-effective electricity consumption and network operation. The stochastic nature of the involved parameters along with their large number and correlations make suc...

  • Article
  • Open Access
1 Citations
2,812 Views
19 Pages

Vehicle Routing Problem Model with Practicality

  • SeJoon Park,
  • Chunghun Ha and
  • Hyesung Seok

21 February 2023

Truck platooning has recently become an essential issue in automatic driving. Though truck platooning can increase safety and reduce fuel consumption and carbon emissions, the practical vehicle routing problem involved in truck platooning has not bee...

  • Article
  • Open Access
1 Citations
2,058 Views
10 Pages

Cluster-ID-Based Throughput Improvement in Cognitive Radio Networks for 5G and Beyond-5G IoT Applications

  • Stalin Allwin Devaraj,
  • Kambatty Bojan Gurumoorthy,
  • Pradeep Kumar,
  • Wilson Stalin Jacob,
  • Prince Jenifer Darling Rosita and
  • Tanweer Ali

28 August 2022

Cognitive radio (CR), which is a common form of wireless communication, consists of a transceiver that is intelligently capable of detecting which communication channels are available to use and which are not. After this detection process, the transc...

  • Article
  • Open Access
3 Citations
3,523 Views
13 Pages

A Surprisal-Based Greedy Heuristic for the Set Covering Problem

  • Tommaso Adamo,
  • Gianpaolo Ghiani,
  • Emanuela Guerriero and
  • Deborah Pareo

29 June 2023

In this paper we exploit concepts from Information Theory to improve the classical Chvatal greedy algorithm for the set covering problem. In particular, we develop a new greedy procedure, called Surprisal-Based Greedy Heuristic (SBH), incorporating t...

  • Article
  • Open Access
2 Citations
2,759 Views
16 Pages

Makespan-Minimizing Heterogeneous Task Allocation under Temporal Constraints

  • Byeong-Min Jeong,
  • Yun-Seo Oh,
  • Dae-Sung Jang,
  • Nam-Eung Hwang,
  • Joon-Won Kim and
  • Han-Lim Choi

14 December 2023

Task allocation is an essential element for determining the capability of multi-UAV systems to perform various tasks. This paper presents a procedure called a “rebalancing algorithm” for generating task-performing routes in heterogeneous...

  • Article
  • Open Access
7 Citations
3,723 Views
13 Pages

30 April 2021

When no-wait constraint holds in job shops, a job has to be processed with no waiting time from the first to the last operation, and the start time of a job is greatly restricted. Using key elements of the iterated greedy algorithm, this paper propos...

  • Article
  • Open Access
5 Citations
2,383 Views
16 Pages

Influence Maximization in Temporal Social Networks with the Mixed K-Shell Method

  • Shuangshuang Yang,
  • Wenlong Zhu,
  • Kaijing Zhang,
  • Yingchun Diao and
  • Yufan Bai

The study of influence maximizing in temporal social networks (IMT) is an important aspect of influence maximization (IM) research. Currently, two main types of algorithms can solve the IMT problem: greedy-based algorithms and heuristic-based algorit...

  • Article
  • Open Access
691 Views
13 Pages

Application of Optimization Algorithms in Voter Service Module Allocation

  • Edgar Jardón,
  • Marcelo Romero and
  • José-Raymundo Marcial-Romero

18 June 2025

Allocation models are essential tools for optimally distributing client requests across multiple services under defined restrictions and objective functions. This study evaluates several heuristics to address an allocation problem involving young ind...

  • Article
  • Open Access
5 Citations
3,248 Views
17 Pages

2 January 2024

Over the past few decades, there has been a significant increase in the number of Earth observation satellites, and the area of ground targets requiring observation has also been expanding. To effectively utilize the capabilities of these satellites...

  • Article
  • Open Access
7 Citations
5,352 Views
25 Pages

Survey of 8 UAV Set-Covering Algorithms for Terrain Photogrammetry

  • Joshua E. Hammond,
  • Cory A. Vernon,
  • Trent J. Okeson,
  • Benjamin J. Barrett,
  • Samuel Arce,
  • Valerie Newell,
  • Joseph Janson,
  • Kevin W. Franke and
  • John D. Hedengren

16 July 2020

Remote sensing with unmanned aerial vehicles (UAVs) facilitates photogrammetry for environmental and infrastructural monitoring. Models are created with less computational cost by reducing the number of photos required. Optimal camera locations for r...

  • Article
  • Open Access
3 Citations
3,199 Views
21 Pages

1 July 2021

Bin Packing is one of the research areas of Operations Research with many industrial applications, as well as rich theoretical impact. In this article, the authors deal with Bin Packing on the practical side: they consider two Bin Packing Benchmark c...

  • Article
  • Open Access
3 Citations
2,401 Views
18 Pages

Recovering Power Grids Using Strategies Based on Network Metrics and Greedy Algorithms

  • Fenghua Wang,
  • Hale Cetinay,
  • Zhidong He,
  • Le Liu,
  • Piet Van Mieghem and
  • Robert E. Kooij

17 October 2023

For this study, we investigated efficient strategies for the recovery of individual links in power grids governed by the direct current (DC) power flow model, under random link failures. Our primary objective was to explore the efficacy of recovering...

  • Article
  • Open Access
23 Citations
2,992 Views
15 Pages

Thermal-Aware Virtual Machine Allocation for Heterogeneous Cloud Data Centers

  • Abbas Akbari,
  • Ahmad Khonsari and
  • Seyed Mohammad Ghoreyshi

4 June 2020

In recent years, a large and growing body of literature has addressed the energy-efficient resource management problem in data centers. Due to the fact that cooling costs still remain the major portion of the total data center energy cost, thermal-aw...

  • Article
  • Open Access
1,550 Views
13 Pages

26 June 2024

In social network applications, competitive influence propagation often exhibits a certain degree of time lag. In the scenario of positive and negative competitive propagation studied in this paper, under the premise that negative nodes are activated...

  • Article
  • Open Access
4 Citations
2,359 Views
24 Pages

Optimizing Multi-Echelon Delivery Routes for Perishable Goods with Time Constraints

  • Manqiong Sun,
  • Yang Xu,
  • Feng Xiao,
  • Hao Ji,
  • Bing Su and
  • Fei Bu

5 December 2024

As the logistics industry modernizes, living standards improve, and consumption patterns shift, the demand for fresh food continues to grow, making cold chain logistics for perishable goods a critical component in ensuring food quality and safety. Ho...

  • Article
  • Open Access
1,400 Views
38 Pages

Partitioning rectangular and rectilinear shapes in n-dimensional binary images into the smallest set of axis-aligned n-cuboids is a fundamental problem in image analysis, pattern recognition, and computational geometry, with applications in object de...

  • Article
  • Open Access
755 Views
19 Pages

Optimization in Mineral Processing: A Novel Matheuristic for a Variant of the Knapsack Problem

  • Carlos Leiva,
  • Hernán Lespay,
  • Aldo Quelopana and
  • Alessandro Navarra

19 April 2025

This study introduces a novel heuristic approach to optimize mineral processing in metallurgical plants, framed as a variant of the fractional knapsack problem. The optimization framework integrates plant operational modes, blending requirements, and...

  • Article
  • Open Access
1 Citations
722 Views
19 Pages

17 August 2025

Distributed permutation flowshop scheduling is an NP-hard problem that has become a hot research topic in the fields of optimization and manufacturing in recent years. Multimodal optimization finds multiple global and local optimal solutions of a fun...

  • Article
  • Open Access
4 Citations
2,837 Views
23 Pages

Heuristic Approaches for Enhancing the Privacy of the Leader in IoT Networks

  • Jie Ji,
  • Guohua Wu,
  • Jinguo Shuai,
  • Zhen Zhang,
  • Zhen Wang and
  • Yizhi Ren

9 September 2019

The privacy and security of the Internet of Things (IoT) are emerging as popular issues in the IoT. At present, there exist several pieces of research on network analysis on the IoT network, and malicious network analysis may threaten the privacy and...

  • Article
  • Open Access
204 Views
24 Pages

To address the conflict between real-time performance and optimal resource allocation in large-scale digital array radars, this paper proposes a novel resource scheduling framework that integrates graph-theoretic modeling with an adaptive heuristic s...

  • Article
  • Open Access
4 Citations
4,647 Views
19 Pages

29 October 2021

This paper addresses the taxi fleet dispatch problem, which is critical for many transport service platforms such as Uber, Lyft, and Didi Chuxing. We focus on maximizing the revenue and profit a taxi platform can generate through the dispatch approac...

  • Feature Paper
  • Article
  • Open Access
2,418 Views
18 Pages

A Randomized Greedy Heuristic for Steerable Wireless Backhaul Reconfiguration

  • Nina Skorin-Kapov,
  • Ricardo Santos,
  • Hakim Ghazzai and
  • Andreas Kassler

10 February 2021

In this paper, we consider the reconfiguration of wireless backhaul networks with mechanically steerable antennas in the presence of changing traffic demands. Reconfiguration requires the scheduling and coordination of several operations, including a...

  • Article
  • Open Access
7 Citations
3,755 Views
27 Pages

4 January 2023

A rescheduling algorithm for trains on a single-track railway was developed in case of disturbances that would cause conflicts between trains. This algorithm is based on mixed integer linear programming (MILP) with speed-up routines. The model consid...

  • Article
  • Open Access
8 Citations
3,241 Views
24 Pages

26 November 2021

This study investigates a two-stage assembly-type flow shop with limited waiting time constraints for minimizing the makespan. The first stage consists of m machines fabricating m types of components, whereas the second stage has a single machine to...

  • Article
  • Open Access
8 Citations
3,310 Views
24 Pages

23 January 2021

The integrated allocation and scheduling of handling resources are crucial problems in the railway container terminal (RCT). We investigate the integrated optimization problem for handling resources of the crane area, dual-gantry crane (GC), and inte...

  • Article
  • Open Access
5 Citations
3,568 Views
31 Pages

Network caching is a technique used to speed-up user access to frequently requested contents in complex data networks. This paper presents a two-layer overlay network caching system for content distribution. It is used to define some caching scenario...

  • Article
  • Open Access
3 Citations
2,014 Views
28 Pages

17 February 2025

The escalating global demand for containerized cargo has intensified pressure on container terminals, which serve as vital nodes in maritime logistics. This study aims to enhance operational efficiency in non-automated container terminals by examinin...

  • Article
  • Open Access
6 Citations
7,078 Views
15 Pages

Route Optimization for Open Vehicle Routing Problem (OVRP): A Mathematical and Solution Approach

  • Diego Gasset,
  • Felipe Paillalef,
  • Sebastián Payacán,
  • Gustavo Gatica,
  • Germán Herrera-Vidal,
  • Rodrigo Linfati and
  • Jairo R. Coronado-Hernández

8 August 2024

In the everchanging landscape of human mobility and commerce, efficient route planning has become paramount. This paper addresses the open vehicle routing problem (OVRP), a major logistical challenge in route optimization for a fleet of vehicles serv...

  • Article
  • Open Access
76 Citations
9,564 Views
19 Pages

1 February 2011

As a promising tool for monitoring the physical world, directional sensor networks (DSNs) consisting of a large number of directional sensors are attracting increasing attention. As directional sensors in DSNs have limited battery power and restricte...

  • Article
  • Open Access
1,510 Views
30 Pages

In this paper, an improved Beluga Whale Optimization algorithm based on data mining and scheduling rules with AdaBoost(IBWO-DDR-AdaBoost) rule heuristic scheduling method for solving job-shop scheduling problems (JSP) is proposed, in which data minin...

  • Feature Paper
  • Article
  • Open Access
27 Citations
5,682 Views
20 Pages

17 March 2021

An innovative trajectory strategy was proposed and accessed for wire arc additive manufacturing (WAAM), applicable to different and more complex geometries, rather than being a single solution. This strategy, named Pixel, can be defined as a complex...

  • Article
  • Open Access
3 Citations
3,156 Views
12 Pages

A Simple Greedy Heuristic for Site Specific Management Zone Problem

  • Luis Eduardo Urbán Rivero,
  • Jonás Velasco and
  • Javier Ramírez Rodríguez

29 June 2022

In agriculture, the soil properties influence the productivity and quality of crops. The farmer expects that in a specific area of the land, the physicochemical characteristics of the soil will be homogeneous as the selected crop has the desired qual...

  • Article
  • Open Access
4 Citations
2,467 Views
18 Pages

A Genetic Algorithm-Enhanced Sensor Marks Selection Algorithm for Wavefront Aberration Modeling in Extreme-UV (EUV) Photolithography

  • Aris Magklaras,
  • Panayiotis Alefragis,
  • Christos Gogos,
  • Christos Valouxis and
  • Alexios Birbas

28 July 2023

In photolithographic processes, nanometer-level-precision wavefront-aberration models enable the machine to be able to meet the overlay (OVL) drift and critical dimension (CD) specifications. Software control algorithms take as input these models and...

  • Feature Paper
  • Review
  • Open Access
2 Citations
7,690 Views
35 Pages

27 March 2025

The Knapsack Problem belongs to the best-studied classical problems in combinatorial optimization. The Multiple-choice Knapsack Problem (MCKP) represents a generalization of the problem, with various application fields such as industry, transportatio...

  • Article
  • Open Access
17 Citations
3,568 Views
15 Pages

The Proposition of a Mathematical Model for the Location of Electrical and Electronic Waste Collection Points

  • Ítalo Ruan Barbosa de Aquino,
  • Josenildo Ferreira da Silva Junior,
  • Patricia Guarnieri and
  • Lucio Camara e Silva

29 December 2020

Given the environmental impacts produced by the growing increase in waste electrical and electronic equipment (WEEE) and their current inadequate management, this article proposes a mathematical model to define the best location for installing WEEE c...

  • Article
  • Open Access
9,717 Views
24 Pages

Incentive Compatible and Globally Efficient Position Based Routing for Selfish Reverse Multicast in Wireless Sensor Networks

  • Stephan Eidenbenz,
  • Gunes Ercal-Ozkaya,
  • Adam Meyerson,
  • Allon Percus and
  • Sarvesh Varatharajan

14 October 2009

We consider the problem of all-to-one selfish routing in the absence of a payment scheme in wireless sensor networks, where a natural model for cost is the power required to forward, referring to the resulting game as a Locally Minimum Cost Forwardin...

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