Ambrose Azeta

• B.Sc., M.Sc., Ph.D Computer Science.
• Lecturer/Researcher at The Namibia University of Science and Technology (NUST)

This study examines the efficacy of machine learning techniques, particularly Multilayer Perceptron (MLP), and Random Forest and in forecasting Nigeria's Gross Domestic Product (GDP). Traditional statistical methods frequently fail to capture intricate, nonlinear relationships, thus necessitating advanced techniques. The dataset employed in this re...

Integrating artificial intelligence (AI) in open and distance learning (ODL) necessitates comprehensive frameworks to evaluate its educational implications. Existing models lack a robust multilayered analysis of AI’s impact on educational outcomes in ODL. This study introduces a Multilayered Process Framework designed to predict academic performanc...

Anomaly detection enables the identification of the nature of the outliers to determine if they are errors or new trends that need to be understood and learnt by the model for improved generalisation capability. Multivariate and univariate anomaly detection is used to find an unusual point or pattern in a given set. A substantial number of articles...

Background Machine Learning refers to a methodology in the domain of data analytic that automates the systematic building of the model. It permits the discovery of unseen insights from an enormous datasets by means of suitable methods which involve repetitive learning gathered from data devoid of being programmed explicitly. The aim of this work is...

Speech recognition is a technology that aid processing of speech signals through communicating with computer applications. Previous studies exhibits speech recognition errors arising from users’ acoustic irrational behavior. This research paper provides acoustic nudging-based model for reformulating the persistence of automatic speech recognition e...

In recent years, machine learning techniques have been utilized in sensitive areas such as health, medical diagnosis, facial recognition, cybersecurity, etc. With this exponential growth comes potential large-scale ethical, safety, and social ramifications. With this enhanced ubiquity and sensitivity, concerns about ethics, trust, transparency, and...

It is usually a challenging task predicting violent crime occurrences in space and time. Huge dataset are needed for accurate prediction of future violent crime occurrence, which in most cases were subjected to artificial intelligence or statistical methods. Most studies from literature adopted data mining techniques for violent crime prediction wi...

The monster called crime has been living with us from the beginning of human existence and impacts negatively on the general health of a nation. Different approaches were employed in the past studies for predicting occurrence of violent crime to aid predictive policing, which makes conventional policing more efficient and proactive. This paper inve...

Cyberattacks are becoming more sophisticated and ubiquitous. Cybercriminals are inevitably adopting Artificial Intelligence (AI) techniques to evade the cyberspace and cause greater damages without being noticed. Researchers in cybersecurity domain have not researched the concept behind AI-powered cyberattacks enough to understand the level of soph...

Malware’s key target is to compromise system security pillars, the confidentiality, integrity and availability. Spyware is a form of malware program that collect entity’s information including personal confidential information, activity logs on computing system, financial transaction, password and geolocation precision through monitoring target wit...

There has been claims and reports that 70% of m-commerce in Nigeria failed due to non-interactive, non-responsive and non-interesting platform. Despite the popularity and growth of m-commerce globally, developing countries like Nigeria seems to be lagging behind and at the same time, many m-commerce sites have been reported to close down due to unp...

Artificial Intelligence (AI) systems are increasingly dependent on machine learning models which lack interpretability and algorithmic transparency, and hence may not be trusted by its users. The fear of failure in these systems is driving many governments to demand more explanation and accountability. Take, for example, the “Right of Explanation”...

Conversational agents are now ubiquitous and catching speed as an application of computer communication and are able to respond intelligently like humans. Some of these agents help humans with their everyday tasks. Students perform several activities in school and having to remember all these activities can be stressful thereby increasing lethargy...

One of the current research areas is speech recognition by aiding in the recognition of speech signals through computer applications . In this research paper, Acoustic Nudging, (AN) Model is used in re-formulating the persistence automatic speech recognition (ASR) errors that involves user’s acoustic irrational behavior which alters speech recognit...

Student hostel management system is a software programme designed to manage the activities of allocating students to a hostel and other activities involved in managing the students in the hostel. Managing the student’s hostel allocation is a complex task. This study develops an algorithm and techniques for automatic student hostel allocation system...

In this systematic literature review, automatic text-based and easy type assessment grading system using Machine Learning and Natural Language Processing (NLP) techniques was investigated. The major focus is on text-based and essay type assessment in ODL courses. Text-based and essay type questions is an important tool for performing quality examin...

Learning management systems (LMS) logs all actions taken on the system. These logs provide additional data about the activities and behaviour of users. Educational process mining techniques can use these data to unveil useful information to help instructors, educators and administrators accurately monitor, analyze and improve the online learning pa...

This paper recommends a blockchain framework that secures the e-learning platform. The proposed framework was used to build a widely manageable and safe data delivery facility that will connect to existing educational data. Institutions can simply have amassed their data history without demanding a copy from central servers. The proposed blockchain...

Speech has been widely known as the primary mode of communication among individuals and computers. The existence of technology brought about human computer interface to allow human computer interaction. Existence of speech recognition research has been ongoing for the past 60 years which has been embraced as an alternative access method for individ...

Educational data security especially examination, results and certificate management systems should be upheld with the utmost integrity. Blockchain has a prospective that possibly will offer a system with considerable sincerity and secure database in educational systems. Existing large databases of students' external examinations, results and certi...

Several terms have been used to describe Internet of Things; Web of Things (WoT) is a term which can be used interchangeability and it is referred to as the capability of devices to interconnect to the World Wide Web and sharing the information and data to one another. WoT has been mentioned in the literature to improve interconnection between devi...

The focus of this study is to determine the suitability of speech-enabled examination result management system as a tool for checking and managing students’ examination results. The theory of task-technology fit was used to identify the factors that significantly influence the use of the system. 374 verified data from students and instructors that...

Current workflow management systems need a deep insight into the design of organization’s business process. Creating a business workflow design is sometimes complicated, inaccurate, time-consuming and non-error free. This business process design requires adequate tools and techniques needed to help organizations or companies achieve their desirable...

The concept of taking loan has been in existence since inception of the human race but it is now taking diverse dimensions. This spans through personal exchange of loans for repayment based on personal track records, enjoying loans as proceeds of daily contribution without collaterals, except for the banking sector that requests collaterals for off...

The rate at which banks looses funds to loan beneficiaries due to loan default is alarming. This trend has led to the closure of many banks, potential beneficiaries deprived of access to loan; and many workers losing their jobs in the banks and other sectors. This work uses past loan records based on the employment of machine learning to predict fr...

The essence of granting loans to individuals and corporate beneficiaries is to boost the economy while the lenders make profit from the interest that accrues to the lending. However, due to non-compliance to basic rules, fraud is prevalent in credit administration and traditional methods of detecting fraud have failed. Furthermore, they are time-co...

Barriers such as unequal access, lack of digital skill, low income and disability constitute limiting factors for technology-mediated citizens and government interaction in developing countries. It is against this backdrop that this work explores the integration of Voice, Web and SMS technologies, in Nigeria's democratic process. The proposed syste...

The increasing technological advancement and usage of Internet has continued to evolve the emergence of proficient health care delivery systems across the globe. Consequently, the concern of data security of patient’s information remains foremost in health management system. It is an undisputable fact that the way record of patient is organized inf...

Voice-based systems allow users access to information on the internet over a voice interface. Prior studies on Open and Distance Learning (ODL) e-examination systems that make use of voice interface do not sufficiently exhibit intelligent form of assessment, which diminishes the rigor of examination. The objective of this paper is to improve on the...

This work presents a University Community based electricity prepaid billing system. Generally in Nigeria, electricity customers face a lot of problems with respect to their electricity bills from the distribution companies. The challenges they face include wrongly calculated bills as a result inaccurate reading of meters, general human errors in bi...

Despite the availability of studies on e-learning management system (eLMS) using information system models, its theoretical foundations have not yet captured social constructs that are peculiar to developing countries including Nigeria. This study was undertaken with the aim of investigating factors that could influence eLMS adoption in higher educ...

Barriers such as unequal access, lack of digital skill, low income and disability constitute limiting factors for technology-mediated citizens and government interaction in developing countries. It is against this backdrop that this work explores the integration of Voice, Web and SMS technologies, in Nigeria's democratic process. The proposed syste...

Voice-based systems allow users access to information on the internet over a voice interface. Prior studies on Open and Distance Learning (ODL) e-examination systems that make use of voice interface do not sufficiently exhibit intelligent form of assessment, which diminishes the rigour of examination. The objective of this paper is to improve on th...

Interactive Voice Response (IVR) systems uses computer generated voice unit to provide response to an input from a telephone caller. With IVR systems, mobile phone users can access information by simply dialing a telephone number to create connectivity and communication with a server or internet. The use of IVR systems is applied in areas such as e...

The world today has a number of valuable research scholars desiring connections and collaborations. The existing online collaboration platforms are not sufficient to accommodate the totality of researchers desiring dynamic platforms to network globally. Despite growing contributions in the literature on Social Network Site (SNS), regarding the capa...

An automated helpdesk system is meant to eradicate some of the barriers of reaching the Information and Communication Technology (ICT) technical staff to carry out repairs of ICT products and services in an educational institution. The problems faced with the existing ICT user support system include time wasting, difficulty in communication, and sl...

Embracing of new learning services using mobile devices can enhance students’ engagement, enthusiasm, reduce cost of textbook and enhance quality of education. Studies on use of mobile devices for learning are on the increase. However, several mobile learning researches have been on adoption of mobile learning with respect to usage. In order to tak...

The Open and Distance Learning (ODL) currently operated by some institutions in Nigeria has problems of accessibility from remote locations due to bandwidth and latency issues. To address accessibility problem caused by network delays, cloudlet computing is introduced. With cloudlet technology, distant mobile learners are able to connect to the nea...

The Unified Theory of Acceptance and Use of Technology (UTAUT) model has been widely used in explaining and assessing technology adoption in diverse contexts. However, it does not have Technology Culturation as one of the constructs. This variable constitutes a prevailing challenge in the developing world that could affect the adoption of technolog...

The role of information technology in today's society and in our day-to-day activities cannot be overemphasized as they play a vital role in carrying out task easily, effectively and efficiently. The emergence of Internet has helped to eradicate barriers such as distance, time and place. A number of Universities in developing countries are faced wi...

The effect of technology in today's world cannot be overemphasized as it has created an avenue for tasks to be carried out easily, effectively and efficiently. An automated helpdesk system is meant to eradicate some of the barriers of reaching the Information and Communication Technology (ICT) technical staff to carry out operations in an education...

Academic Research Management System (ARMS) is an online platform that enable researchers to upload and download resource materials, and also collaborate/communicate with other researchers through chatting and messaging. The world today has a number of valuable research scholars desiring connections and collaborations. With the Internet revolution,...

Socialization in the society without doubt aids in boosting the effectiveness of communication. It has indeed strengthened ties between persons. This fact has led to the idea of social network, which has been used to strengthen relationships between members of social systems. It is observed in some higher institutions that dissemination of informat...

With the rise of Internet and telecommunication services in recent times, the communication needs of human life have been enhanced progressively. From the earliest times, when communication between people included word of mouth, society evolved from various stages of disseminating information. The problem of insufficient communication and interacti...

Technology has supported online examinations successfully for a number of years, and has progressively enhanced the online examination process over the years. However, some schools particularly public tertiary institutions in developing countries are still involved in the conventional manual system of writing examination. This manual system of writ...

In the last few decades, education has witnessed some advances in technologies involving computer-aided learning that promises to drastically change the methods of teaching and learning. The World Wide Web has played a major role in information storage and dissemination in the educational community. Conventional classroom based teaching involves th...

Socialization in the society without doubt aids in boosting the effectiveness of communication. It has indeed strengthened ties between persons. This fact has led to the idea of social network, which has been used to strengthen relationships between members of social systems. It is observed in some higher institutions that dissemination of informat...

In this work we revisited an earlier work, analytical solution of extended Schwartz and Moon growth option model, a model used for valuing a company, a particular case of a bank, the solution to the model proposed in the earlier work was represented and solved. The analytical problem presented in the earlier work was partitioned; an algorithm prese...

Although the recognition of human beings is something quite easy for humans, the ability for machines to recognise people is still a challenging problem; hence it has been receiving significant attention in recent years.

In the world today, education has shown to be a major contributing factor to human and national development. The educational system developed in the last century has moved from traditional system to e-learning on static web and recently to dynamic web. With the advent of social network on the Internet, interaction has been encouraged round the worl...

Distance Education have a lot of potential gains - such as meeting the education needs of the teeming population of qualified students who could not gain admission to tertiary institution; some of these are indigent students who could hardly afford formal tertiary education and so need to work and learn simultaneously. More so, the higher instituti...

Over 1.5-2 million tuberculosis deaths occur annually. Medical professionals are faced with a lot of challenges in delivering good health-care with unassisted automation in hospitals where there are several patients who need the doctor's attention. To automate the pre-laboratory screening process against tuberculosis infection to aid diagnosis and...

Social media online forum is one of the most popular platforms used by students to communicate. Unfortunately, these media have been hijacked by people to plan and commit online fraud and societal evils. Some of the secondary and university campuses in Nigeria have been turned to cultist environments leading to killings and anarchy amongst students...

Yoruba is a popular indigenous language in Nigeria alongside Hausa and Igbo. English language is however the main medium of communication especially in schools and institutions of learning. Over the years there has been unhealthy rivalry and competition between English language and the indigenous Nigerian languages with the latter struggling for su...

Large volumes of data are usually generated in most institutions of learning today. Locating files among tons of others can thus be tedious and time-consuming process for administrative as well as academic staff of such institutions. The aim of this paper is to develop and deploy an Electronic File Tracking System (EFTS) to improve productivity amo...

There are several activities that take place in academic department of a higher institution. Reports from these activities influence the decisions affecting the running of the department. These decisions ensure that the university is still in line with its vision and goals. In some institutions, particularly the public institutions in developing co...

Speech-based e-Education technology allows users to access learning content on the web by dialing a telephone number. Speech-enabled applications, particularly in the domain of education are primarily implemented to cater for the plight of the visually impaired towards addressing the shortcomings of user interface (UI) design of a mobile learner. H...

The Bible is one of the best-selling books of all time. It is a historical text as well as a religious text, capturing some of the most remarkable stories of mankind and its relationship with God the creator. With the advancement of technology, the distribution and communication of this book has found its place in computers, both fixed and mobile....

Cloud computing encompasses any subscription-based or pay-per-use service over the Internet. Using a cloud that is owned by a single service provider has its demerit to the customer such as the risk of downtime or breakdown of equipment arising from disaster that can jeopardize the subscribers' business. Data security and reliability due to over ce...

With the proliferation of learning resources on the Web, finding suitable content (using telephone) has become a rigorous task for voice-based online learners to achieve better performance. The problem with Finding Content Suitability (FCS) with voice E-Learning applications is more complex when the sight-impaired learner is involved. Existing voic...

The advancement of Information and Communication Technology (ICT) and the Internet revolution gave rise to the several learning technologies on the web and mobile platform. During the last decade, the social media network became available for users to socialise and collaborate among peer group. Hence, The integration of e-learning and social media...

Phone-based learning in civil service is the use of voice technologies to deliver learning and capacity building training services to government employees. The Internet revolution and advancement in Information and Communications Technology (ICT) have given rise to online and remote staff training for the purpose of enhancing workers productivity....

In the 21st century, the ability of citizens to participate in online democracy is a key issue for governments in the developing nations because of its attendant benefits. Information and Communications Technology (ICT) facilities support the establishment of electronic interaction between citizens and the various organs of government. Towards this...

The use of wireless technology for health care delivery is having great impacts in the health care sector on a global scale. However, alert systems in medical institutions are rare. As a result of this, patients find it hard to keep track of scheduled meetings with medical personnel; they also find it difficult to keep track of prescribed medicatio...

Voice-based web e-Education is a technology-supported learning paradigm that allows phone-access of learners to e-Learning web-based applications. These applications are designed mainly for the visually impaired. They are however lacking in attributes of adaptive and reusable learning objects, which are emerging requirements for applications in the...

Technology-supported citizen participation in governance has been a major concern in the developing countries since they have inadequate information and communication technology (ICT) deployment platform for online services. ICT is used to support the establishment of electronic interaction between citizens and government institutions involving e-G...

Express delivery services in the world today have advanced greatly in developed countries with the use of information and communication technology (ICT) product and services. Meanwhile, most courier companies particularly the indigenous ones in the developing countries including Nigeria still have many problems in the delivery chain of courier serv...

VoiceXML is a standard language recognized by World Wide Web Consortium (W3C) for developing Voice User Interface (VUI) applications. Advances in speech recognition and VUI systems have motivated the provision of a VUI design framework for interacting with vocal applications. For most developers, designing a VUI is a relatively new experience. Toda...

VoiceXML is a standard language recognized by World Wide Web Consortium (W3C) for developing Voice User Interface (VUI) applications. Advances in speech recognition and VUI systems have motivated the provision of a VUI design framework for interacting with vocal applications. For most developers, designing a VUI is a relatively new experience. Toda...