Bolanle Ojokoh

• B.Sc., M.Tech., PhD
• Professor at Federal University of Technology

Research has identified Typhoid Fever (TF) as the major cause of morbidity and mortality in most developing countries. The diagnosis of TF involves several variables which usually makes it difficult to arrive at accurate and timely diagnosis. This research proposes a Web-Based Decision Support System (WBDSS) driven by Fuzzy Logic (FL) for the diagn...

The ever-increasing number of E-commerce sites on the Internet has brought about information overload. This has made it difficult for consumers of certain products to find information about such products in an attempt to purchase products that best satisfies them. It has equally reduced the volume of product sales in the E-commerce domain. Hence, t...

This study is designed to discover the key factors for the under-representation and lack of career progression or otherwise of women in the ICT field, specifically in South Western Nigeria. Questionnaires were administered to women (i.e., students, lecturers and other staff) studying or working in selected higher institutions. The results show that...

On the Internet, where the number of choices is overwhelming, there is need to filter, prioritize and efficiently deliver relevant information in order to alleviate the problem of information overload, which has created a potential problem to many Internet users. Recommender systems solve this problem by searching through large volume of dynamicall...

The purpose of this study was to evaluate how corrosion treatments affected the rates of corrosion in concrete technology. Concrete samples of 140 mm x 100 mm x 50 mm were reinforced with reinforcing materials (give the name of the material) , and corrosion was measured gravimetrically. Concrete samples were combined in a 1:2:4 ratio and exposed to...

Flood is a natural disaster that has affected many parts of the world with devastating consequences to properties, farmlands, humans and animals. Climate change-a global phenomenon could be seen as the major driving force with one of its negative effects being unusual heavy rainfall. Hardly can one find any country without a past or current history...

Insecurity has been a major threat to government and civilians in Nigeria for the past decade. Development of a security system is not yet enough to curb the situation. Hence, the need for weapon detection using Convolutional Neural Network. The researchers downloaded different images with guns and knives from the internet. Image labeler software w...

Topic modeling is an integral text mining component, employing diverse algorithms to uncover hidden themes within texts. This study examines the comparative performance of prominent topic modeling techniques on news headlines, which is characterized by brevity and specific linguistic style. Given the corpus originates from a non-native English-spea...

The onset of the coronavirus disease 2019 (COVID-19) pandemic had profound economic and societal repercussions worldwide. Some nations managed to mitigate the spread of the virus sufficiently early through implementing digital frameworks and other containment measures. However, many countries in Africa faced significant challenges due to limited te...

The importance of mentoring among researchers cannot be overemphasized, and to this effect, several recommender systems have been presented in the literature to find experts for collaborations. However, matching researchers as mentors to their respective mentees has not been looked into. Earlier works suggest that expert-finding recommender systems...

Publication venue recommendation provide answers to one of the major challenges researchers face while seeking to get their research results or findings published in high-valued journals and conferences for easy dissemination and to maximize effects on future research. However, most recommendation systems available use traditional approaches which...

This paper presents an extension of the community question-answering (CQA) system we developed previously. This graph-based system method that builds ranked answers for related questions using nKullback–Leibler (KL) divergence. The process of extracting answers to questions in this work involves; question core, building question query, query-based...

SARS COV-2 (Covid-19) has imposed a monumental socio-economic burden worldwide, and its impact still lingers. We propose a deterministic model to describe the transmission dynamics of Covid-19, emphasizing the effects of vaccination on the prevailing epidemic. The proposed model incorporates current information on Covid-19, such as reinfection, wan...

Coronavirus Disease 2019 (COVID-19) spreads rapidly and is easily contracted by individuals who come near infected persons. With this nature and rapid spread of the contagion, different types of research have been conducted to investigate how non-pharmaceutical interventions can be employed to contain and prevent COVID-19. In this review, we analyz...

With the advent of technological advancement in learning, such as context-awareness, ubiquity and personalisation, various innovations in teaching and learning have led to improved learning. This research paper aims to develop a system that supports personalised learning through adaptive content, adaptive learning path and context awareness to meet...

Fumonisin B1 (FB1) is a possible carcinogenic molecule for humans as classified by the International Agency for Research on Cancer (IARC) in 2B group. In livestock, it is responsible for several mycotoxicoses and economic losses. Lactobacillus strains, inhabitants of a wide range of foodstuffs and the gastrointestinal tract, are generally recognize...

In this #Nature correspondence (https://www.nature.com/articles/d41586-022-01379-7)we propose embedding a network of genomic-surveillance centres in the national health systems of every country. To read the full version of the letter, please see the preprint (https://osf.io/2dq39)

In community question answering (CQA) systems, topical comments are very valuable to provide information for users. However, it becomes cumbersome going through all these in order to decipher the correct answers to particular questions. Hence, extracting a particular answer to a question becomes vital to avoid reading every comment in the forum. Th...

The generic Question Answering (QA) framework processes questions by querying a knowledge base and extracting answers from retrieved passages using various Natural Language Processing techniques. The problem is validating whether the retrieved passages from the passage retrieval module contain expected answers to asked questions. Besides, extractio...

The ongoing coronavirus disease 2019 (COVID-19) pandemic is having devastating impacts across the globe. Among the implemented policies to reduce the spread of the disease is lockdown. This might have serious impact on farming activities and the livelihoods of millions of people whose daily means of sustenance is tied to agricultural activities. We...

In this paper, a feedback integrated multi-criteria group decision support model for contractor selection was proposed.

The striking increase in the number of depression cases globally is alarming and can be attributed to a lot of factors such as economic crisis, insecurity, high rate of terrorist attacks, and increase in the frequency of occurrence of natural disasters and epidemics. According to a recent report from the World Health Organisation, more than 322 mil...

The world is currently overwhelmed with the perils of the outbreak of the coronavirus disease 2019 (COVID-19) pandemic. As of May 18, 2020, there were 4,819,102 confirmed cases, of which there were 316,959 deaths worldwide. The devastating effects of the COVID-19 pandemic on the world economy are more grievous than many natural disasters like earth...

Account reconciliation has become a daunting task for many financial organisations due to the heterogeneity of data involved in the accounts reconciliation process-coupled with the recent data deluge in many accounting firms. Many organisations are using a heuristic-based algorithm for their account reconciliation process while in some firms the pr...

In the existing farming system, information is obtained manually, and most times, farmers act based on their discretion. Sometimes, farmers rely on information from experts and extension officers for decision making. In recent times, a lot of information systems are available with relevant information on organic farming practices; however, such inf...

The construction sector constitutes one of the most important sectors in the economy of any country. Many construction projects experience time and cost overruns due to wrong choice of contractors. In this paper, a feedback integrated multi-criteria group decision support model for contractor selection was proposed. The proposed model consists of t...

In this work, a best answer recommendation model is proposed for a Question Answering (QA) system. A Community Question Answering System was subsequently developed based on the model. The system applies Brower Fixed Point Theorem to prove the existence of the desired voter scoring function and Normalized Google Distance (NGD) to show closeness betw...

Vehicular ad hoc network (VANET) is a self-organized, multi-purpose, service-oriented communication network that enables communication between vehicles and between vehicles and roadside infrastructures for the purpose of exchanging messages. In a dense traffic scenario, the message traffic may generate a load higher than the available capacity of t...

Employee performance appraisal is often considered a core management task in most standard organizations because it could potentially inspire an employee towards the pursuit of organizational goals and objectives. Meanwhile, issues such as delay in appraisal processes, inevitable human error, and emotional status of the appraiser, are common with t...

Diabetes Mellitus is a major health problem with high global morbidity and mortality rates. While, conventional diagnosis methods are based on monitoring blood glucose levels, variables such as body mass index and diastolic blood pressure have been reported as having stable correlations with the incidence and prevalence of diabetes. Recently, machi...

Big data technologies, Analytics and Artificial Intelligence are great tools with capabilities to accomplish complex tasks at levels beyond human skills. The trio are becoming more and more prominent these days as they can be utilized to collect, organize, and analyze large varied data sets in order to reveal hidden patterns and trends that can hel...

Lower Respiratory Tract Infections (LRTIs) are the major causes of mortality in paediatrics. Literature reviews reveal that LRTIs accounted for more than a million children morbidity and mortality yearly due to a lack of prompt diagnosis or no diagnosis due to a shortage of medical experts and medical facilities. The use of Machine learning (ML) te...

Multi-Criteria Decision Making (MCDM) is a discipline aimed at supporting decision-makers to settle on an ideal choice within the sight of different and clashing criteria. MCDM strategies have developed to oblige different kinds of utilizations. One comprehensively utilized MCDM strategy is the Analytic Hierarchy Process (AHP). AHP, in spite of its...

Auction is a system used for buying and selling where the goods are sold to the highest bidder in a list of bidders according to a pre-defined scheme. Over the years, auction systems have dominated the e-commerce arena by providing a more convenient platform for users to purchase and sell products over the internet than traditional markets. Even th...

Food provides our body energy, vitamins, and other essential nutrients needed by the body to sustain us for our day-to-day activities and to function properly. Malnutrition is a state of undernutrition or over-nutrition that can lead to one or more Diet Related Diseases (DRDs). Therefore, a personalized diet optimization and recommendation is a vit...

Food choice selection has enormous effect on health as hale diets help sustain balanced body weight, enriched growth, and boost immune system. Malnutrition and hunger are conditions connected to poverty and have wrecked so many countries disturbing their creative and fruitful capacity. Diet optimization is a vital area to be investigated when attem...

Research Methdology Seminar, Rufus Giwa Polytechnic, Owo

Mobile technologies have increasingly become pervasive in everyday life over the past few decades. As a result of their affordability and wide availability, mobile devices have become commonly used by several people. Efforts are being made by researchers and institutions to provide infrastructure, content, and resources related to the integration o...

This research work established a knowledge-based recommender system driven by a case-based reasoning approach for providing recommendations to potential home buyers and tenants. The case-based reasoning approach uses similarity measures function and weight to retrieve items from the system that are similar to the specified items attribute by...

Lower Respiratory Tract Infection (LRTI) is a common infection among children in both tropical and subtropical regions which includes Africa, America and Asia. World Health Organization reported more than 2.5 million of deaths as a result of LRTI in 2012, late and untimely diagnosis of this infection is one of the factors responsible for its high m...

The essence of evaluating employees’ performance in any tertiary institution is to realize the goals of the institution by measuring the contribution of each employee. Effective human resource evaluation is paramount to the development of any organization. An automated method is needed to remove the limitations and facilitate the duties of human re...

Employee performance appraisal is often considered a core management task in most standard organizations because it could potentially inspire an employee towards the pursuit of organizational goals and objectives. Meanwhile, issues such as delay in appraisal processes, inevitable human error, and emotional status of the appraiser, are common with t...

Background: Content Based Image Retrieval (CBIR) is an aspect of computer vision and image processing that finds images that are similar to a given query image in a large scale database using the visual contents of images such as colour, texture, shape, and spatial arrangement of regions of interest (ROIs) rather than manually annotated textual key...

Question Answering (QA) targets answering questions defined in natural language. Question Answering Systems offer an automated approach to procuring solutions to queries expressed in natural language. A lot of QA surveys have classified QuestionAnswering systems based on different criteria such as queries inquired by users, features of data bases u...

The research proposed a web�based Multi-Criteria Decision Making model for contractor selection using the construction of No 1 Three-in-One Lecture Theatre for Centre for Entrepreneurship (CENT) at the Federal University of Technology, Akure as case study

The low and declining proportion of women in the Information Technology (IT) career field has been widely noticed and much lamented. Under representation of women in IT could have a negative effect on the society and increase gender disparity which could eventually jeopardize world security. Over the years, some studies have been conducted to ident...

The global demand for translation and translation tools currently surpasses the capacity of available solutions. Besides, there is no one-solution-fits-all, off-the-shelf solution for all languages. Thus, the need and urgency to increase the scale of research for the development of translation tools and devices continue to grow, especially for lang...

Medical Studies have revealed that consumption of healthy foods help the body to fight against diseases. Food provides our body with essential nutrients needed by the body to sustain us for our day-today activities. It is also important to note that different people have different tastes, likes and dislikes on the choice of food to eat. It is there...

Over the past two decades, women in Nigeria have made great strides in education and entry into the work force. However, despite these advances, women have continued to be underrepresented in the fields of science, technology, engineering, and math, collectively known as STEM. Nigeria needs to improve the quality and access to STEM education and cr...

Recommender systems are very useful in assisting users to reduce the complexities involved in their decision making processes. It is particularly difficult for people to make decisions on housing choices because different options exist with different facilities, in different locations and with varied cost implications. This paper proposes a hybrid...

The dramatic progress of studies in human action recognition has being attributed to challenges inherent with conventional methods such as bag-of-words based description. As a result, researchers in the field of computer vision are still making efforts towards achieving structured interpretation of complex activities between multiple objects. This...

Many literatures have shown the importance of emotion in learning because of their effect on learner"s performances thereby giving reasons why learners" affective states are crucial to learning. In this light, this research work aims to identify affect-adaptive activities that would improve learning in a personalised ubiquitous learning system by d...

In recent years, contractors play a major role in construction projects of buildings, roads, or waterworks under supervision of project owners or employers of these projects. Selecting the most suitable contractor for a construction project is a crucial decision for owners and project managers alike. Ranking the candidate contractors has become a k...

Lower Respiratory Tract Infection (LRTI) is a common infection among children in both tropical and subtropical regions which includes Africa, America and Asia. World Health Organization reported more than 2.5 million of deaths as a result of LRTI in 2012, late and untimely diagnosis of this infection is one of the factors responsible for its high m...

Ranking and choosing the best contractor for a construction project is a crucial decision for firms, enterprises, owners and project managers alike. Selecting the most suitable contractor significantly reduces purchasing costs, improves competitiveness in the market and enhances end-user satisfaction. Most of the models of assessments used for sele...

The construction sector constitutes one of the most important sectors in the economy of any country. In the construction industry, the process of selecting a contractor is generally referred to as 'tendering' and involves preparing tender documents that describe the project, and then inviting tender submissions from prospective contractors from whi...

Intelligent Transportation Systems (ITS) are built on top of self-organizing networks, known as Vehicular Ad hoc Networks (VANET). In VANET, each vehicle equipped with communication devices represents a node and is allowed to send and receive safety messages through wireless communication channels. These messages are either periodic (beacons) or ev...

Webometric Ranking of Universities provides a way to evaluate these institutions based on their web content and presence. Such an endeavour motivates institutions on improving the presence of their academic activities on their websites to help publicize their various achievements. Previous works emphasized on the objective features of Universities...

This study is designed to discover the key factors for the under-representation and lack of career progression or otherwise of women in the ICT field, specifically in South Western Nigeria. Questionnaires were adminis- tered to women (i.e., students, lecturers and other staff) studying or working in selected higher institutions. The results show th...

Birth registration provides a person with a name and identity, and usually enables access to a wide variety of basic rights and services through acquisition of a driving license, passport, and voter's registration. The absence of birth registration may lead to the deprivation of such rights and services, contributing to the emergence of different f...

Social networking website creates new ways for engaging people belonging to different communities, moral and social values to communicate and share valuable knowledge, therefore creating a large amount of data. The importance of mining social media cannot be over emphasized, due to significant information that are revealed which can be applied in d...

The project at hand aims at extracting quality question answer (QA) pair from online forums. The first part of it (presented here) is the identification and classification of questions.

Diabetes is a major health problem inherent to people at all age groups in developing countries. Conventionally, diagnosis of this condition was based on blood sugar level however, its effect can be traced from other symptoms such as Body Mass Index, and Blood Pressure. This paper presents a decision support model that can be used by diabetic patie...

This paper is aimed at improving this situation through reliable Unified Modeling Language (UML) profile design for e-motoring services and validating the model with Object Constraint Language (OCL). Validation of the model helps to ensure the correctness of the presented Model

The performance of students in tertiary institutions has been a major indicator for assessing the quality of students and their respective institutions over the years. Placement of students into appropriate department/faculty based on their individual competence would no doubt lead to the production of quality graduates who can contribute substanti...

Online communities such as wikis, blogs, forums, scientific communities and other social networking services have enabled new levels of interactions and interconnections among individuals, documents and data and have become places for people to seek and share expertise. In this paper, we propose a systematic approach to identification and classific...

To date, students' educational data is still one of the most importance resources in institutions of higher learning. One way to achieving qualitative education standard by institutions of higher learning is to properly evaluate and predict the performance of entrant students and suggest appropriate faculty programmes for them based on their educat...

Rainfall is a stochastic process, whose upcoming event depends on some precursors from other parameters such as temperature, surface pressure and other atmospheric parameters.Accurate information about rainfall is necessary for the use and management of water resources. Nonetheless, rainfall is one of the most complex and difficult elements in hydr...

Over the years, there has been increasing growth in academic digital libraries. It has therefore become overwhelming for researchers to determine important research materials. In most existing research works that consider scholarly paper recommendation, the researcher’s preference is left out. In this paper, therefore, Frequent Pattern (FP) Growth...

Mobile technologies have increasingly become pervasive in everyday life over the past few decades. As a result of their affordability and wide availability, mobile devices have become commonly used by several people. Efforts are being made by researchers and institutions to provide infrastructure, content, and resources related to the integration o...

The low and declining proportion of women in the Information Technology (IT) career field has been widely noticed and much lamented. Under representation of women in IT could have a negative effect on the society and increase gender disparity which could eventually jeopardize world security. Over the years, some studies have been conducted to ident...

E-learning is an innovative approach for delivering electronically mediated, well-designed, learner-centred interactive learning environments by utilizing internet and digital technologies with respect to instructional design principles. This paper presents the application of Software Development techniques in the development of a Mobile Based E-le...

Exploring the accumulative nature of Internet documents has become a rising issue that requires systematic ways to construct what we need from what we have. Manual and semi-manual document classification techniques have facilitated retrieval and maintenance of document repositories for easy access; however, they are customarily painstaking and labo...

E-Commerce has become very popular these days because it is convenient, reliable, and fast to use. In spite of these advantages, online buyers often experience difficulty in searching for products on the web, while online businesses are often overwhelmed by the rich data they have collected and find it difficult to promote products appropriate to s...

Instructors recommend learning materials to a class of students not minding the learning ability and reading habit of each student. Learners are finding it problematic to make a decision about which available learning materials best meet their situation and will be beneficial to their course of study. In order to address this challenge, a new e-lea...

This paper examines automatic recognition and extraction of tables from a large collection of heterogeneous documents. The heterogeneous documents are initially pre-processed and converted to HTML codes, after which an algorithm recognises the table portion of the documents. Hidden Markov Model (HMM) is then applied to the HTML code in order to ext...

The process of mobile phone selection, for several reasons, depends on a number of common individual features possessed by the manufacturers. The recent advance in these products’ functionalities is identified as a key factor for the growing number of brands and models that compete in its fierce market and thus leads to the problem of product selec...

Healthcare Delivery Organizations (HDOs) in developing countries have been faced with a number of problems due to their mode of operations. Amongst the problems are improper modes of data storage, insecurity of patient medical records, difficulty in accessing quality healthcare services, high cost of medical services, and inaccurate diagnosis and t...

The process of mobile phone selection, for several reasons, depends on a number of common individual fea-tures possessed by the manufacturers. The recent advance in these products' functionalities is identified as a key factor for the growing number of brands and models that compete in its fierce market and thus leads to the problem of product sele...