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Open AccessArticle
6 Pages, 776 KB Download PDF

Barriers and Supports in Engineering Career Development: An Exploration of First-Year Students

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 920–925, 2020; DOI: 10.25046/aj0506109
Abstract:

Previous research has found that first-years in college is challenging due to changes in academic demands and the adaptation process. In addition to this, research on career development has found that barriers and supports may influence career interest, motivation to continue and student retention. This study explores the influence of specific supports and barriers among…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Behavioral Sciences (BHS))
Open AccessArticle
7 Pages, 642 KB Download PDF

A Study of the Digital Health Management Needs of the Elderly

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 2, Page # 42–48, 2025; DOI: 10.25046/aj100205
Abstract:

The purpose of this paper is to explore the feasibility and development trend of utilizing smart medical technology for chronic disease health management in older people in the context of ageing at home. As the ageing society intensifies, the elderly population faces multiple health challenges, especially the management of chronic diseases. This paper analyzes the…

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(This article belongs to the SP17 (Special Issue on Innovation in Computing, Engineering Science & Technology 2024-25) & Section Sociology and Political Science (SOC))
Open AccessArticle
12 Pages, 1,683 KB Download PDF

Deploying Trusted and Immutable Predictive Models on a Public Blockchain Network

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 3, Page # 72–83, 2024; DOI: 10.25046/aj090307
Abstract:

Machine learning-based predictive models often face challenges, particularly biases and a lack of trust in their predictions when deployed by individual agents. Establishing a robust deployment methodology that supports validating the accuracy and fairness of these models is a critical endeavor. In this paper, we introduce a novel approach to deploying predictive models, such as…

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(This article belongs to the SP16 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2024) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 1,778 KB Download PDF

HistoChain: Improving Consortium Blockchain Scalability using Historical Blockchains

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 89–99, 2023; DOI: 10.25046/aj080311
Abstract:

Blockchain technology has been successfully applied in many fields for immutable and secure data storage. However, for applications with on-chain big data, blockchain scalability remains to be a main concern. In this paper, we propose a novel scalable storage scheme, called HistoChain, for a consortium blockchain network to manage blockchain data. We use a current…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 1,751 KB Download PDF

Cloud-Based Hierarchical Consortium Blockchain Networks for Timely Publication and Efficient Retrieval of Electronic Health Records

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 179–190, 2022; DOI: 10.25046/aj070218
Abstract:

Blockchain technology is seeing a trend of popularity and adoption in many different application areas. One such area is healthcare, as there is a need to develop a system that can reliably store and share electronic health records (EHRs) among hospital-based health facilities. In this paper, we present a cloud-based hierarchical consortium blockchain framework for…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
15 Pages, 366 KB Download PDF

Leakage-abuse Attacks Against Forward Private Searchable Symmetric Encryption

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 156–170, 2022; DOI: 10.25046/aj070216
Abstract:

Dynamic Searchable Symmetric Encryption (DSSE) methods address the problem of securely outsourcing updating private data into a semi-trusted cloud server. Furthermore, Forward Privacy (FP) notion was introduced to limit data leakage and thwart the related attacks on DSSE approaches. FP schemes ensure previous search queries cannot be linked to future updates and newly added files.…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
21 Pages, 10,607 KB Download PDF

Power Management and Control of a Grid-Connected PV/Battery Hybrid Renewable Energy System

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 32–52, 2022; DOI: 10.25046/aj070204
Abstract:

This paper presents novel Energy Management Strategies (EMSs), and the control of a Grid-Connected Hybrid Renewable Energy System (GCHRES). The GCHRES describes a Photovoltaic Generator (PVG) and a Battery-Based Storage System. Both are tied to the Common Coupling Point (CCP) through a reversible three-phase inverter. The CCP combines the Utility Grid (UG) and an AC…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
11 Pages, 898 KB Download PDF

Assessment of the Municipal Solid Waste Transfer Stations Suitability in Harare, Zimbabwe

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 1002–1012, 2021; DOI: 10.25046/aj0602115
Abstract:

The suitability of incorporating waste transfer stations (WTS) in likely future Municipal Solid Waste Management (MSWM) systems for Harare city and neighbouring urban centres was assessed under this study. WTS will bring about location of landfills and other MSWM facilities further away from population centres, increasing recycling, reducing waste collection costs and burden on the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Environmental Engineering (EEV))
Open AccessArticle
7 Pages, 848 KB Download PDF

Node-Node Data Exchange in IoT Devices Using Twofish and DHE

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 622–628, 2021; DOI: 10.25046/aj060271
Abstract:

Internet of Things provides the support for devices, people and things to collaborate in collecting, analyzing and sharing sensitive information from one device onto the other through the internet. The internet of things is thriving largely due to access, connectivity, artificial intelligence and machine learning approaches that it supports. The stability and enhanced speed of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 1,544 KB Download PDF

Combining ICT Technologies To Serve Societal Challenges

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1319–1327, 2021; DOI: 10.25046/aj0601151
Abstract:

European counties continue to receive an increasing number of migrants and refugees from an also increasing number of both European and non-European countries. This results in a huge societal challenge which is societal inclusion of people speaking different languages and of diverse backgrounds. Key for their inclusion is job finding which comes with hurdles like…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
6 Pages, 733 KB Download PDF

Optimized use of RFID at XYZ University Library in Doing Auto Borrowing Book by Utilizing NFC Technology on Smartphone

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 532–537, 2021; DOI: 10.25046/aj060158
Abstract:

NFC (Near Field Communication) is a contactless communication technology based on a radio frequency (RF) field using a base frequency of 13.56 MHz. NFC technology is perfectly designed to exchange data between two devices via simple touch gestures. RFID is the process of identifying an object directly by radio frequency. There are two important components…

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(This article belongs to Section Hardware & Architecture in Computer Science (CHA))
Open AccessArticle
10 Pages, 738 KB Download PDF

Improved Design and Recommendations for Street Lighting in Gitega City

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1356–1365, 2020; DOI: 10.25046/aj0506163
Abstract:

The article discusses the possibility of using solar energy for street lighting systems in the city of Gitega, in the Republic of Burundi. Analysis of weather and climate conditions of the city was carried out and an effective street lighting system based on solar mini-power plants using an intelligent control system developed. Calculations of technical…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
11 Pages, 2,630 KB Download PDF

Tolerance of Characteristics and Attributes in Developing Student’s Academic Achievements

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1126–1136, 2020; DOI: 10.25046/aj0505137
Abstract:

The purpose of this research is to study the relevance of factors for the analysis of the effectiveness of suitable educational institutions that illustrate the significance of the characteristics and attributes of the student’s academic achievements and to identify the acceptance and tolerance of each attribute, which supports lifelong learning. The data used in this…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Bioinformatics (BIF))
Open AccessArticle
12 Pages, 885 KB Download PDF

Enterprise Architecture Institutionalization for Health Information Exchange (HIE) Cloud Migration

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 680–691, 2020; DOI: 10.25046/aj050584
Abstract:

The functional priority of Health Information Exchanges (HIEs) is to ensure a timely transference of health data. Because of the frequency at which health records are transferred and the variety of health data HIEs receive, there are major challenges in efficiently accomplishing this. Cloud technology has become a generally accepted solution to remediate data transference…

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(This article belongs to Section Hardware & Architecture in Computer Science (CHA))
Open AccessArticle
6 Pages, 1,060 KB Download PDF

Scapy Scripting to Automate Testing of Networking Middleboxes

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 293–298, 2020; DOI: 10.25046/aj050238
Abstract:

Middleboxes like load balancers are being used by all the corporations to manage and support their infrastructures. These devices see a large amount of bandwidth every day. This might include a range of protocols which might be varying from network layer to the application layer. This traffic can be corrupt or malicious thus causing these…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
7 Pages, 408 KB Download PDF

Framework for Automation of Cloud-Application Testing using Selenium (FACTS)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 226–232, 2020; DOI: 10.25046/aj050129
Abstract:

A framework is an amalgamation of integrated tools, libraries, utilities and its coordination to interact with the other automation components. The motive of designing a test automation framework is to implement uniform standards towards automation throughout the organization to achieve the desired outcomes. Test automation framework is required to maintain the standardization of the activities…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 631 KB Download PDF

Performance Portability and Unified Profiling for Finite Element Methods on Parallel Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 119–127, 2020; DOI: 10.25046/aj050116
Abstract:

The currently available variety of modern, highly-parallel universal processors includes multi-core CPU and many-core GPU (Graphics Processing Units) from different vendors. Systems composed of such processors enable high-performance execution of demanding applications like numerical Finite Element Methods. However, today’s application pro- gramming for parallel systems lacks performance portability: the same program code cannot achieve stable…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 575 KB Download PDF

Fully Homomorphic Encryption Scheme Based On Complex Numbers

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 30–38, 2019; DOI: 10.25046/aj040504
Abstract:

In this paper, we present a new Somewhat Homomorphic Encryption (SHE) scheme using computation over complex numbers. We then use Bootstrapping technique to make the scheme Fully Homomorphic (FH) and supports unbounded number of circuit depth. In addition to its homomorphic properties and security level, a main characteristic of the proposed new scheme is its…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
13 Pages, 2,503 KB Download PDF

A Lightweight, Hardware-Based Support for Isolation in Mixed-Criticality Network-on-Chip Architectures

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 561–573, 2019; DOI: 10.25046/aj040467
Abstract:

Spatial and temporal isolation is a crucial issue in embedded systems executing multiple tasks with several levels of criticality. This is considerably significant in the context of multi-processor (or multi-core) embedded systems running multiple mixed-criticality applications in parallel. This work deals with the issue of isolation of different application classes on Network on Chip (NoC)…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 1,441 KB Download PDF

Numerical Simulation of One Pavement Structure of Polyethylene Terephthalate Submitted to Static Point Loads

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 478–487, 2018; DOI: 10.25046/aj030554
Abstract:

Plastic is highly polluting nowadays and is found in many disposable elements used for people. Plastic materials are disposed inadequately and large quantities of them become pollution in the ground, water, and air, affecting plants and animals. Most of the plastic is Polyethylene Terephthalate (PET) which is used in many activities. Resistance, support capacity, and…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Polymer Science (PLS))
Open AccessArticle
13 Pages, 3,747 KB Download PDF

An FPGA Implementation of Resource-Optimized Dynamic Digital Beamformer for a Portable Ultrasound Imaging System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 59–71, 2018; DOI: 10.25046/aj030408
Abstract:

This paper presents a resource-friendly dynamic digital beamformer for a portable ultrasound imaging system based on a single field-programmable gate array (FPGA). The core of the ultrasound imaging system is a 128- channel receive beamformer with fully dynamic focusing embedded in a single FPGA chip, which operates at a frequency of 40 MHz. The Rx…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 781 KB Download PDF

Improving the Performance of Fair Scheduler in Hadoop

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1050–1058, 2017; DOI: 10.25046/aj0203133
Abstract:

Cloud computing is a power platform to deal with big data. Among several software frameworks used for the construction of cloud computing systems, Apache Hadoop, which is an open-source software, becomes a popular one. Hadoop supports for distributed data storage and the process of large data sets on computer clusters based on a MapReduce parallel…

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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
6 Pages, 820 KB Download PDF

Efficient Resource Management for Uplink Scheduling in IEEE 802.16e Standard

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 263–268, 2017; DOI: 10.25046/aj020132
Abstract:

The IEEE 802.16e standard, known as mobile Worldwide Interoperability for Microwave Access (WiMAX) becomes the most demanding broadband wireless access (BWA) technology recently. Its main advantage is rapid delivery of services in remote areas due to the cost efficiency factor. The base station (BS) supports data rate up to 70 Mbps, mobile stations with 5–15…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Telecommunications (TEL))

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