Fredrick Ishengoma

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Verified

Fredrick verified their affiliation via an institutional email.

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• PhD in Information Systems
• Senior Lecturer at The University of Dodoma

A simple replication-based mechanism has been used to achieve high data reliability of Hadoop Distributed File System (HDFS). However, replication based mechanisms have high degree of disk storage requirement since it makes copies of full block without consideration of storage size. Studies have shown that erasure-coding mechanism can provide more...

This paper addresses difficulties in mapping blocks onto cloud storage and proposes a novel cost-aware log-structured block I/O management over one of the commercial cloud storage, Amazon S3. The proposed scheme is imbedded in the virtual USB drive architecture that replaces the NAND flash of the USB memory with the capacity-free network storage. T...

The main delivery system in Tanzanian education has been face-to-face approach relying on printed educational materials. High cost of books and insufficient teaching materials are still the major challenges. Recently, Online Social Networks (OSN) have gained popularity across the world and they are used for sharing information, news, chatting, mess...

Purpose This paper proposes bee colony optimization (BCO) algorithm for efficient resource allocation in e-government systems. Design/methodology/approach Simulation experiments were conducted using a benchmark dataset consisting of 100 tasks and 20 resources. The primary aim was to minimize wastage of resources while maximizing their utilization....

Purpose This paper introduces the Efficient Small File Management Algorithm (ESFMA) to overcome the challenge of small file inefficiency of Hadoop distributed file system (HDFS) for e-government services. Design/methodology/approach ESFMA is designed with the following features: hierarchical metadata architecture, caching, block aggregation, prefe...

Purpose This paper proposes a framework that aligns e-government initiatives with the Sustainable Development Goals (SDGs). Design/methodology/approach The study integrates a systematic literature review with case study analysis. The literature review involved an extensive search across multiple scholarly databases to identify relevant studies. Ca...

Once mined, gold passes through various stakeholders (from miners to consumers), often erasing origin signatures, resulting in an illegal gold chain. Tracing the origin and all custodians of a given gold bar ensures that fraud, illegal practices, and gold mined by criminal gangs or in conflict zones are avoided. Recently, blockchain technology has...

Purpose The purpose of this study is to examine the applicability of the technology acceptance model (TAM) in libraries considering the advanced technologies and users’ behaviour. Design/methodology/approach The research uses a critical reflective approach to review and synthesize a body of recent academic literature on the use of TAM in libraries...

Purpose Protection of personal data is integral to the digital economy, ensuring trust and privacy as its foundational elements. The purpose of this study is to analyze data protection laws in Tanzania, Kenya, Uganda and Rwanda to understand their legal frameworks and identify challenges hindering their effective implementation. Design/methodology...

Purpose This study aims to explore the user’s perception and satisfaction level toward LUKU m-government service in Tanzania. Moreover, it specifically compares the perception and satisfaction levels between the users of m-payments and the users of physical payments. Design/methodology/approach The study used a quantitative research method, where...

Purpose This study aims to establish a comprehensive framework for adopting mobile-based artificial intelligence (AI) services in Tanzanian manufacturing small and medium enterprises (SMEs). Design/methodology/approach The methodology involved conducting a literature review and using the combination of Mobile Services Acceptance Model and Innovati...

Purpose The objective of this research is to examine the accelerated adoption mechanisms of emerging technologies in information systems. Its goal is to comprehend the drivers behind the prompt assimilation of technology trends such as TikTok, ChatGPT, mobile payment schemes, cryptocurrency and VR. Design/methodology/approach The study follows the...

Having emphasized upon the potential benefits of Open Government Data (OGD) initiatives via value derivation and innovation pursuits of the stakeholders, it falls in place to complement this line of OGD research in the specific case of Tanzania, a developing country, to support the inferences. Specifically, it is important to understand the manner...

Information and Communication Technology (ICT) has recently advanced in education sector where teachers and other educational stakeholders use learning management system (LMS) to improve students learning. Tanzania in the meantime, has implementing multiple initiatives aimed at enhancing ICT integration in education. The initiatives includes connec...

The objective of this study is to explore the potential of blockchain technology (BCT) in addressing the challenges posed by the COVID-19 pandemic in developing African countries. The study utilizes a thematic analysis approach to analyze data gathered from a focus group discussion (FGD) with experts in the field. The FGD involved researchers and s...

While previous research on Open Government Data (OGD) has primarily focused on reuse and adoption, this study aims to explore the implications of the Public Service Logic (PSL) and Public Service Motivation (PSM) dimensions in the context of OGD initiatives. This study is contextualized in Tanzania wherein the OGD initiatives are at an evolving sta...

Purpose The impact of digital transformation in agriculture, including innovations in crop supply chains, is global. Despite that, the level of this technology practice varies across countries, regions, crop types, technologies, socio-economic statuses, and cultures. In the literature, there needs to be more evidence for digital technologies’ role...

As artificial intelligence (AI) gets more prevalent in our everyday lives, the issue of ethical concerns related to AI inevitably needs to be addressed. Currently ethical issues surrounding AI have been fragmented, and there is lack of studies that have provided a comprehensive taxonomy. While most existing research focuses on a single application...

Purpose The purpose of this paper is to highlight the drivers, barriers, benefits and risks affecting the integration of Internet of Things (IoT) into the e-government and to provide a future research agenda. Design/methodology/approach Existing literature examining the relationships between e-government and IoT is scanned and evaluated by concept...

Purpose With the development of information technology (IT), governments around the globe are using state-of-the-art IT interfaces to implement the so-called 3E’s in public service delivery, that is, economy, efficiency and effectiveness. Two of these IT interfaces relate to Artificial Intelligence (AI) and Internet of Things (IoT). While AI focuse...

The rising number of cell phone subscribers in Tanzania provides the government with a new platform for the provision of information and government services to people (thus m-Government). In Tanzania, the use of m-Government services is in the initial stages, and variables that affect its adoption are not yet understood. The goal of this research i...

In this paper, MTL, an approach for visualization-based pedagogy, is analyzed and contextualized in both Cognitive Load Theory (CLT) and Dual Coding Theory (DCT). Through MTL, lectures, tutorials, laboratory sessions and individual study in learning and teaching programming are all carried out using two cognitive channels; verbal and non-verbal. RA...

Artificial intelligence (AI) is transforming the healthcare system at a breakneck pace by improving digital healthcare services, research, and performance, fueled by the combination of big data and strong machine learning algorithms. As a result, AI applications are being employed in digital healthcare domains of which some where previously regarde...

Purpose The emergency of the COVID-19 pandemic has affected organizations differently, leading to adopting alternative business operation models, including digital technologies. The rapid adoption of digital technologies during the COVID-19 pandemic demonstrates how adaptive technologies intersect with human and social institutions in potentially r...

For the past decade, the Tanzanian government has started implementing m-government initiatives. However, little is known about the factors surrounding m-government adoption in Tanzania. Consequently, some m-government services have been successfully adopted while others are still struggling (having a low level of adoption). In this chapter, the au...

Industry 4.0 (also known as smart manufacturing or industrial internet of things [IIoT]) refers to a major change in the way products are manufactured and delivered, with a focus on industrial automation and the flexible factory backed with several technologies that include the internet of things (IoT), cyber-physical systems, and artificial intell...

Vaccine requirements are becoming more mandatory in several countries as public health experts and governments become more concerned about the COVID-19 pandemic and its variants. In the meantime, as the number of vaccine requirements grows, so does the counterfeiting of vaccination documents. Fake vaccination certificates are steadily growing, bein...

Recently, the Tanzanian government has started making m-government initiatives. However, little is known about the factors and conditions surrounding m-government adoption in Tanzania. Consequently, some m-government services have been successfully adopted while others are still struggling (having a low level of adoption). This study investigates c...

The advancement of wireless and mobile technologies has given rise to the mobile government (m‐Government). A new channel of public service delivery using a mobile phone. In Tanzania, several m‐Government initiatives have been undertaken. Among these, some can be said to have succeeded while others are still struggling. The reasons for these variat...

Mobile Ad-hoc Network (MANET) represents a system of mobile nodes that can self-organize freely and connect themselves by wireless links deprived of a common infrastructure. MANET routing protocols can be categorized into reactive, proactive and hybrid routing protocols. Recently, numerous researchers have conducted studies that compare performance...

With the tremendous advancements in technology and the Internet, data security has become a major issue around the globe. To guarantee that data is protected and does not go to an unintended endpoint, the art of data hiding (steganography) emerged. Steganography is the art of hiding information such that it is not detectable to the naked eye. Vario...

For the past decade, 3D printing (3DP) has become popular due to availability of low-cost 3D printers such as RepRap and Fab@Home; and better software, which offers a broad range of manufacturing platform that enables users to create customizable products. 3DP offers everybody with the power to convert a digital design into a three dimensional phys...

The advancement in technology has brought a new era in terrorism where Online Social Networks have become a major platform of communication with wide range of usage from message channeling to propaganda and recruitment of new followers in terrorist groups. Meanwhile, during the terrorist attacks people use social networks for information exchange,...

With the rapid advancement in technology, smart homes have become applicable and so the need arise to solve the security challenges that are accompanied with its operation. Passwords and identity cards have been used as traditional authentication mechanisms in home environments, however, the rise of misuse of these mechanisms are proving them to be...

Quality of service (QoS) in cellular communication system is a topic that recently has raised much interest for many researchers. This paper presents the findings obtained from the study on factors affecting QoS in Tanzania cellular networks. The study was carried out in Dodoma Municipal, Tanzania. The study employed cross-sectional research design...

The recently advancement in Wireless Sensor Network (WSN) technology has brought new distributed sensing applications such as water quality monitoring. With sensing capabilities and using parameters like pH, conductivity and temperature, the quality of water can be known. This paper proposes a novel design based on IEEE 802.15.4 (Zig-Bee protocol)...

Digital signage is referred to as a smart electronic display system that shows multimedia-based information and advertisements through 2/3D LCD and LED displays.The digital signage normally downloads a series of multimedia files (contents) from the network storage to its local storage.This paper originally addresses an initial time delay caused by...