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Open AccessArticle
10 Pages, 1,257 KB Download PDF

Organizational Agility Assessment of a Moroccan Healthcare Organization in Times of COVID-19

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 567–576, 2020; DOI: 10.25046/aj050467
Abstract:

Since its appearance, COVID-19 has severely impacted the healthcare sector all over the world. The healthcare organizations should be agile in order to cope with this new health crisis. Indeed, organization agility was highly recommended as an essential basis for flexibility, innovation, speed, as well competitiveness. Different research provided different conceptual models suitable to evaluate…

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(This article belongs to the sp-covid19 (Special Issue on the Economic Impact of COVID-19 on Companies and Consumers 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
7 Pages, 1,364 KB Download PDF

Mobile Based for Basic English Learning Assessment with Augmented Reality

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 774–780, 2020; DOI: 10.25046/aj050297
Abstract:

Nowadays Augmented Reality (AR) is very popular in teaching and learning, especially in leading student to observe learning material targets which supported by online learning resources using mobile device and wireless technology. Because English is a foreign language, most students have problems in learning English. Generally, their problems were related to low motivation, bad study…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
10 Pages, 4,183 KB Download PDF

A Psychovisual Optimization of Wavelet Foveation-Based Image Coding and Quality Assessment Based on Human Quality Criterions

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 225–234, 2020; DOI: 10.25046/aj050229
Abstract:

In the present article, we introduce a foveation-based optimized embedded and its optimized version image coders thereafter called VOEFIC/MOEFIC and its related foveation wavelet visible difference predictor FWVDP coding quality metric. It advances a visually advanced foveal weighting mask that regulates the wavelet-based image spectrum before its encoding by the SPIHT encoder. It intends to…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Telecommunications (TEL))
Open AccessArticle
13 Pages, 1,217 KB Download PDF

Assessment of the Quality and Sustainability Implications of FIFO and LIFO Inventory Policies through System Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 69–81, 2019; DOI: 10.25046/aj040509
Abstract:

Perishable inventory management contributes simultaneously to society and the economy, by reducing food wastage and capitalizing on the freshness of goods. For this reason, countless mathematical models have been developed for their effectiveness and cost-efficient management. Yet, the majority of these models can only optimize systems for a limited time frame, allowing for small gains…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Industrial Engineering (EID))
Open AccessArticle
4 Pages, 570 KB Download PDF

Digitization Impact Assessment Model for Secondary Schools: Case of Nairobi County in Kenya

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 194–197, 2019; DOI: 10.25046/aj040326
Abstract:

Digitization is viewed as the capability to utilize digital technologies for generating processing, sharing and transacting information. Studies show that digitization has now become ubiquitous. In almost all the sectors, we routinely interact with digital technologies. As a result, the impact of digitization is being observed in such sectors. For instance, the positive impact of…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 903 KB Download PDF

Assessment of Coordinated Multipoint Transmission Modes for Indoor and Outdoor Users at 28 GHz in Urban Macrocellular Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 119–126, 2019; DOI: 10.25046/aj040216
Abstract:

The aim of this article is to analyze and evaluate the performance of Coordinated Multipoint (CoMP) transmission approach at a frequency of 28 GHz using three dimensional ray tracing simulations in an urban macrocellular environment. The new performance metric introduced in this article is the relative power usage. Other performance metrics examined in this article…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
10 Pages, 701 KB Download PDF

Machine Learning Applied to GRBAS Voice Quality Assessment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 329–338, 2018; DOI: 10.25046/aj030641
Abstract:

Voice problems are routinely assessed in hospital voice clinics by speech and language therapists (SLTs) who are highly skilled in making audio-perceptual evaluations of voice quality. The evaluations are often presented numerically in the form of five-dimensional ‘GRBAS’ scores. Computerised voice quality assessment may be carried out using digital signal processing (DSP) techniques which process…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Acoustics (ACO))
Open AccessArticle
6 Pages, 1,088 KB Download PDF

Vertical Accuracy Assessment of DSM from TerraSAR-X and DTM from Aerial Photogrammetry on Paddy Fields – Karawang, Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 187–192, 2018; DOI: 10.25046/aj030416
Abstract:

A Digital Terrain Model (DTM) is a digital model representing the earth ‘s surface topography in three dimensions (3D) while a Digital Surface Model (DSM) represents the whole terrain including the objects on it such as trees and buildings. DTMs can be created through stereo-plotting. The advantage of this method is that the 3D data…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
11 Pages, 1,054 KB Download PDF

Fuel Cell/ Super-capacitor power management system assessment and Lifetime Cost study in a 500kVA UPS

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 220–230, 2018; DOI: 10.25046/aj030226
Abstract:

A 500 KVA Uninterruptible power supply (UPS) using Fuel Cells (FC) and super-capacitors (SCs) was studied with the worst case of 10 minutes and eight hours of interruption per day. A power management system was established to control the FC and the SCs in order to extract the hybridization benefits with a comparison between a…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
17 Pages, 921 KB Download PDF

Improving System Reliability Assessment of Safety-Critical Systems using Machine Learning Optimization Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 49–65, 2018; DOI: 10.25046/aj030107
Abstract:

Quality assurance of modern-day safety-critical systems is continually facing new challenges with the increase in both the level of functionality they provide and their degree of interaction with their environment. We propose a novel selection method for black-box regression testing on the basis of machine learning techniques for increasing testing efficiency. Risk-aware selection decisions are…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
5 Pages, 1,524 KB Download PDF

Applying Machine Learning and High Performance Computing to Water Quality Assessment and Prediction

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 285–289, 2017; DOI: 10.25046/aj020635
Abstract:

Water quality assessment and prediction is a more and more important issue. Traditional ways either take lots of time or they can only do assessments. In this research, by applying machine learning algorithm to a long period time of water attributes’ data; we can generate a decision tree so that it can predict the future…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Environmental Engineering (EEV))
Open AccessArticle
10 Pages, 1,329 KB Download PDF

Efficiency Assessment of Plasma-Aided Porous Media Surface Finishing

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 242–251, 2017; DOI: 10.25046/aj020629
Abstract:

The efficiency of a plasma-aided finishing process, namely capillary impregnation, can be predicted only by setting two basic parameters of the real wood porous surface and the actual impregnating solution – surface free energy and surface tension. In general, the following processing efficiency parameter was found and the rule is true: “The plasma aided or…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Chemical Engineering (ENC))
Open AccessArticle
7 Pages, 902 KB Download PDF

Assessment of the heat sinking effect of a human hand that holds a flexible phototherapy device for use in Kangaroo Mother Care

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 805–811, 2017; DOI: 10.25046/aj0203101
Abstract:

The heat transfer process from a 6.4 Watt blue light flexible phototherapy mattress to a human hand has been studied. The intended use of the mattress is the provision of neonatal jaundice phototherapy during Kangaroo Mother Care (KMC) or skin-to-skin care. The heat transfer process has been studied with temperature and heat flow sensors inside…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Biomedical Engineering (EBI))
Open AccessArticle
6 Pages, 700 KB Download PDF

Intrusion detection in cloud computing based attack patterns and risk assessment

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 479–484, 2017; DOI: 10.25046/aj020361
Abstract:

This paper is an extension of work originally presented in SYSCO CONF.We extend our previous work by presenting the initial results of the implementation of intrusion detection based on risk assessment on cloud computing. The idea focuses on a novel approach for detecting cyber-attacks on the cloud environment by analyzing attacks pattern using risk assessment…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 1,002 KB Download PDF

Assessment of the usefulness and appeal of stigma-stop by psychology students: a serious game designed to reduce the stigma of mental illness

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 186–190, 2017; DOI: 10.25046/aj020324
Abstract:

The present work describes the first serious game designed to reduce the stigma among students towards mental health problems. The game is called Stigma-Stop, and it features characters who suffer from various mental disorders. Players are provided with information about different mental illnesses, and they are presented with several options on how to act when…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 719 KB Download PDF

Semantic modeling of portfolio assessment in e-learning environment

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 149–156, 2017; DOI: 10.25046/aj020117
Abstract:

In learning environment, portfolio is used as a tool to keep track of learner’s progress. Particularly, when it comes to e-learning, continuous assessment allows greater customization and efficiency in learning process and prevents students lost interest in their study. Also, each student has his own characteristics and learning skills that must be taken into account…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Education (EDU))
Open AccessArticle
7 Pages, 936 KB Download PDF

Assessment of Wastewater in Duhok Valley, Kurdistan Region/Iraq

Advances in Science, Technology and Engineering Systems Journal, Volume 1, Issue 3, Page # 7–13, 2016; DOI: 10.25046/aj010302
Abstract:

In order to characterize the waste water in Duhok valley in Duhok governorate, during 25km, seven sites were selected in Duhok valley, to represent their water quality. Monthly samples were collected from the Duhok valley for the period from, April to September, 2015. The qualitative study of Duhok valley water tested, as considered one of…

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(This article belongs to Section Environmental Sciences (ENS))
Open AccessArticle
10 Pages, 967 KB Download PDF

System-Level Test Case Design for Field Reliability Alignment in Complex Products

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 6, Page # 55–64, 2025; DOI: 10.25046/aj100605
Abstract:

Achieving targeted reliability for complex products in real-world field environments remains a persistent challenge, even when laboratory validation suggests high performance. A significant reliability gap often emerges during the initial deployment phase, typically within the first one to five years where field failure rates can be up to twice those predicted in controlled settings. Compounding…

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(This article belongs to the SP19 (Special Issue on Innovation in Computing, Engineering Science & Technology 2025-26) & Section Industrial Engineering (EID))
Open AccessArticle
9 Pages, 1,222 KB Download PDF

Integration and Innovation of a Micro-Topic-Pedagogy Teaching Model under the New Engineering Education Paradigm

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 4, Page # 32–40, 2025; DOI: 10.25046/aj100404
Abstract:

The rapid evolution of global technologies and industrial restructuring demands innovative pedagogical approaches to foster interdisciplinary engineering expertise. This research pioneers a blended instructional framework anchored in micro-topic pedagogy under the New Engineering Education (NEE) paradigm, orchestrating case studies, heuristic scaffolding, and research-driven inquiry strategies within digitally augmented learning ecosystems. A quasi-experimental study was conducted…

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(This article belongs to Section Education (EDU))
Open AccessArticle
13 Pages, 1,945 KB Download PDF

Machine Learning Methods for University Student Performance Prediction in Basic Skills based on Psychometric Profile

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 4, Page # 1–13, 2025; DOI: 10.25046/aj100401
Abstract:

Ensuring the quality of higher education in Brazil presents a complex challenge, intensified by factors that directly affect students’ academic performance. The pervasive influence of social media and the overconsumption of superficial digital content undermine students’ ability to engage in deep comprehension, critical thinking, and the practical application of knowledge. Furthermore, inadequate preparation during the…

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(This article belongs to the SP18 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2025) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,536 KB Download PDF

Impact of Integrating Chatbots into Digital Universities Platforms on the Interactions between the Learner and the Educational Content

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 1, Page # 13–19, 2025; DOI: 10.25046/aj100103
Abstract:

The rapid expansion of digital universities across Africa addresses the need for scalable higher education solutions, but challenges such as limited physical infrastructure and high dropout rates persist. In digital learning environments, effective interaction with educational content is crucial for student success. This article explores the transformative role of chatbots integrated into digital university platforms,…

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(This article belongs to the sp-aiev24 (Special Issue on AI-empowered Smart Grid Technologies and EVs 2024) & Section Education (EDU))
Open AccessArticle
9 Pages, 767 KB Download PDF

Advanced Fall Analysis for Elderly Monitoring Using Feature Fusion and CNN-LSTM: A Multi-Camera Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 6, Page # 12–20, 2024; DOI: 10.25046/aj090602
Abstract:

As society ages, the imbalance between family caregivers and elderly individuals increases, leading to inadequate support for seniors in many regions. This situation has ignited interest in automatic health monitoring systems, particularly in fall detection, due to the significant health risks that falls pose to older adults. This research presents a vision-based fall detection system…

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(This article belongs to the SP17 (Special Issue on Innovation in Computing, Engineering Science & Technology 2024-25) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 20,073 KB Download PDF

Towards Real-Time Multi-Class Object Detection and Tracking for the FLS Pattern Cutting Task

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 87–95, 2023; DOI: 10.25046/aj080610
Abstract:

The advent of laparoscopic surgery has increased the need to incorporate simulator-based training into traditional training programs to improve resident training and feedback. However, current training methods rely on expert surgeons to evaluate the dexterity of trainees, a time-consuming and subjective process. Through this research, we aim to extend the use of object detection in…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Biomedical Engineering (EBI))
Open AccessArticle
11 Pages, 1,234 KB Download PDF

EEG Feature Extraction based on Fast Fourier Transform and Wavelet Analysis for Classification of Mental Stress Levels using Machine Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 46–56, 2023; DOI: 10.25046/aj080606
Abstract:

Mental stress assessment remains riddled with biases caused by subjective reports and individual differences across societal backgrounds. To objectively determine the presence or absence of mental stress, there is a need to move away from the traditional subjective methods of self-report questionnaires and interviews. Previously, it has been evidence that EEG Oscillations can discriminate mental…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Biomedical Engineering (EBI))
Open AccessArticle
11 Pages, 1,210 KB Download PDF

Colorized iVAT Images for Labeled Data

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 111–121, 2023; DOI: 10.25046/aj080413
Abstract:

A 2-dimensional numerical data set X = {x1,…,xn} with associated category labels {l1,…,ln} can be accurately represented in a 2-dimensional scatterplot where color is used to represent each datum’s label. The colorized scatterplot indicates the presence or absence of spatial clusters in X and any special distribution of labels among those clusters. The same approach…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Information Systems in Computer Science (CIS))

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