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Computers, Volume 11, Issue 6

2022 June - 17 articles

Cover Story: Simulators allow the easy setup and test of different scenarios that would otherwise be financially costly and difficult to implement on a technical level in a real testbed. Thus, developing specific use cases in a simulation environment is a suitable solution, especially with edge computing (EC) architectures where the number of devices can be considerable. Can we trust the simulations, however? How accurate are these tools? To answer these questions, we implemented the EdgeBench benchmark in the real world and using FogComputingSim. We compared several execution metrics, and overall, the simulated environment successfully reproduced the real-world results, thus allowing us to state that we can trust EC simulations in the first approaches to problems. However, these do not fully replace a real-world implementation. View this paper
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Articles (17)

  • Article
  • Open Access
4 Citations
3,882 Views
15 Pages

Recently computer vision has been applied in various fields of engineering successfully ranging from manufacturing to autonomous cars. A key player in this development is the achievements of the latest object detection and classification architecture...

  • Article
  • Open Access
10 Citations
4,997 Views
21 Pages

Blockchain is a developing technology that can provide users with such advantages as decentralization, data security, and transparency of transactions. Blockchain has many applications, one of them is the decentralized finance (DeFi) industry. DeFi i...

  • Article
  • Open Access
2,510 Views
21 Pages

A Light Signaling Approach to Node Grouping for Massive MIMO IoT Networks

  • Emma Fitzgerald,
  • Michał Pióro,
  • Harsh Tataria,
  • Gilles Callebaut,
  • Sara Gunnarsson and
  • Liesbet Van der Perre

Massive MIMO is one of the leading technologies for connecting very large numbers of energy-constrained nodes, as it offers both extensive spatial multiplexing and large array gain. A challenge resides in partitioning the many nodes into groups that...

  • Article
  • Open Access
7 Citations
3,746 Views
19 Pages

Assisting Educational Analytics with AutoML Functionalities

  • Spyridon Garmpis,
  • Manolis Maragoudakis and
  • Aristogiannis Garmpis

The plethora of changes that have taken place in policy formulations on higher education in recent years in Greece has led to unification, the abolition of departments or technological educational institutions (TEI) and mergers at universities. As a...

  • Article
  • Open Access
1 Citations
4,313 Views
29 Pages

Considering the large number of optimisation techniques that have been integrated into the design of the Java Virtual Machine (JVM) over the last three decades, the Java interpreter continues to persist as a significant bottleneck in the performance...

  • Review
  • Open Access
42 Citations
8,545 Views
17 Pages

Blockchain Technology toward Creating a Smart Local Food Supply Chain

  • Jovanka Damoska Sekuloska and
  • Aleksandar Erceg

The primary purpose of the supply chains is to ensure and secure the availability and smooth flow of the necessary resources for efficient production processes and consumption. Supply chain activities have been experiencing significant changes due to...

  • Article
  • Open Access
4 Citations
3,148 Views
19 Pages

Non-Zero Crossing Point Detection in a Distorted Sinusoidal Signal Using Logistic Regression Model

  • Venkataramana Veeramsetty,
  • Srividya Srinivasula and
  • Surender Reddy Salkuti

Non-Zero crossing point detection in a sinusoidal signal is essential in case of various power system and power electronics applications like power system protection and power converters controller design. In this paper 96 data sets are created from...

  • Article
  • Open Access
22 Citations
3,908 Views
16 Pages

Assessment of Virtual Reality among University Professors: Influence of the Digital Generation

  • Álvaro Antón-Sancho,
  • Pablo Fernández-Arias and
  • Diego Vergara

This paper conducts quantitative research on the assessment made by a group of 623 Spanish and Latin American university professors about the use of virtual reality technologies in the classroom and their own digital skills in this respect. The main...

  • Article
  • Open Access
28 Citations
4,760 Views
17 Pages

Automated Detection of Left Bundle Branch Block from ECG Signal Utilizing the Maximal Overlap Discrete Wavelet Transform with ANFIS

  • Bassam Al-Naami,
  • Hossam Fraihat,
  • Hamza Abu Owida,
  • Khalid Al-Hamad,
  • Roberto De Fazio and
  • Paolo Visconti

Left bundle branch block (LBBB) is a common disorder in the heart’s electrical conduction system that leads to the ventricles’ uncoordinated contraction. The complete LBBB is usually associated with underlying heart failure and other card...

  • Article
  • Open Access
3,137 Views
10 Pages

Functional Data Analysis for Imaging Mean Function Estimation: Computing Times and Parameter Selection

  • Juan A. Arias-López,
  • Carmen Cadarso-Suárez and
  • Pablo Aguiar-Fernández

In the field of medical imaging, one of the most extended research setups consists of the comparison between two groups of images, a pathological set against a control set, in order to search for statistically significant differences in brain activit...

  • Article
  • Open Access
1 Citations
3,209 Views
14 Pages

Can We Trust Edge Computing Simulations? An Experimental Assessment

  • Gonçalo Carvalho,
  • Filipe Magalhães,
  • Bruno Cabral,
  • Vasco Pereira and
  • Jorge Bernardino

Simulators allow for the simulation of real-world environments that would otherwise be financially costly and difficult to implement at a technical level. Thus, a simulation environment facilitates the implementation and development of use cases, ren...

  • Article
  • Open Access
4 Citations
5,631 Views
26 Pages

Release Planning Patterns for the Automotive Domain

  • Kristina Marner,
  • Stefan Wagner and
  • Guenther Ruhe

Context: Today’s vehicle development is focusing more and more on handling the vast amount of software and hardware inside the vehicle. The resulting planning and development of the software especially confronts original equipment manufacturers...

  • Article
  • Open Access
7 Citations
5,897 Views
17 Pages

The Potential of AR Solutions for Behavioral Learning: A Scoping Review

  • Crispino Tosto,
  • Farzin Matin,
  • Luciano Seta,
  • Giuseppe Chiazzese,
  • Antonella Chifari,
  • Marco Arrigo,
  • Davide Taibi,
  • Mariella Farella and
  • Eleni Mangina

In recent years, educational researchers and practitioners have become increasingly interested in new technologies for teaching and learning, including augmented reality (AR). The literature has already highlighted the benefit of AR in enhancing lear...

  • Article
  • Open Access
9 Citations
5,402 Views
20 Pages

Among the sources of legal considerations are judges’ previous decisions regarding similar cases that are archived in court decision documents. However, due to the increasing number of court decision documents, it is difficult to find relevant...

  • Article
  • Open Access
5 Citations
2,920 Views
21 Pages

Wireless underground sensor networks (WUSNs) are being used in agricultural applications, in border patrol, and in the monitoring of remote areas. Coverage holes in WUSNs are an issue which needs to be dealt with. Coverage holes may occur due to rand...

  • Article
  • Open Access
33 Citations
6,418 Views
18 Pages

Existing generative adversarial networks (GANs), primarily used for creating fake image samples from natural images, demand a strong dependence (i.e., the training strategy of the generators and the discriminators require to be in sync) for the gener...

  • Article
  • Open Access
2 Citations
3,441 Views
11 Pages

Improving Multi-View Camera Calibration Using Precise Location of Sphere Center Projection

  • Alberto J. Perez,
  • Javier Perez-Soler,
  • Juan-Carlos Perez-Cortes and
  • Jose-Luis Guardiola

Several calibration algorithms use spheres as calibration tokens because of the simplicity and uniform shape that a sphere presents across multiple views, along with the simplicity of its construction. Among the alternatives are the use of complex 3D...

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Computers - ISSN 2073-431X