
Victor OdumuyiwaUniversity of Lagos | Unilag · Department of Computer Sciences
Victor Odumuyiwa
Phd
About
48
Publications
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228
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Introduction
Additional affiliations
February 2006 - December 2010
Publications
Publications (48)
Purpose
This paper aims to provide insights into the environment needed for advancing a digitally enabled circular plastic economy in Africa. It explores important technical and social paradigms for the transition.
Design/methodology/approach
This study adopted an interpretivist paradigm, drawing on thematic analysis on qualitative data from an in...
Phishing is a social engineering attack that has been perpetuated for long and is still a prominent attack with an attending high number of victims. Through phishing, attackers can gain easy access to sensitive information about a company or an individual. This research compares the import of features such as lexical features, Domain Named Based fe...
Scholars and practitioners have highlighted the importance of digital innovations in the drive towards a circular plastic economy. Therefore this paper investigates the role of digital innovators and the public's response to digital innovations on the African continent. The study draws from four focus groups, and cross-sectional surveys of 33 digit...
Crowdsourcing provides a means of gathering data from the public in order to infer what the ground truth label of an unfamiliar entity is. Such data are not used for decision making in their raw form until further processing is done to infer ground truth from the crowdsourced data. This paper presents a detailed comparative analysis of the ground t...
Collaborative filtering based recommender systems (RS) are faced with cold start problem. This problem arises when the RS does not have enough information or opinion about a person or about a product and therefore cannot make recommendation for such person. In this paper, the demographic data of the user such as age, gender, and occupation are util...
The paper analyzes the current state of plastic value chains in Africa and the potential of digital innovations adopted by African entrepreneurs to contributing to a circular plastic economy. We provide an overview of plastic waste trade to African countries and an assessment of existing digital solutions that can support the transition to a circul...
The applications of information technology (IT) tools and techniques have, over the years, simplified complex problem solving procedures. But the power of automation is inhibited by the technicality in manning advanced equipment. To this end, tools deliberately combating this inhibition and advancing technological growth are the Unmanned Aerial Veh...
A network is composed of intermediary devices or applications that help forward data and provide seamless connectivity to end users. These intermediary devices such as switches or routers etc. can experience breakdown or failures which can result in deterioration of network performance. As a result, logs provide records of events happening at runti...
The increase in the deployment of IOT networks has improved productivity of humans and organisations. However, IOT networks are increasingly becoming platforms for launching DDOS attacks due to inherent weaker security and resource-constrained nature of IOT devices. This paper focusses on detecting DDOS attack in IOT networks by classifying incomin...
HTTP injection attacks are well known cyber security threats with fatal consequences. These attacks initiated by malicious entities (either human or computer) send dangerous or unsafe malicious contents into the parameters of HTTP requests. Combatting injection attacks demands for the development of Web Intrusion Detection Systems (WIDS). Common WI...
COVID-19: the new wave of a global pandemic, is bringing about an increasing number of scientific efforts aimed at enabling governments to make informed decisions. In this paper, we explore the negative binomial regression model from the family of generalized linear models for the prediction of the future infection pattern of COVID-19 in Nigeria. W...
The continuous engagement of humans with micro blogging tools has brought about a big revolution in Online Reputation Management (ORM), and researchers continue to fashion out ways to make sense out of different text content accessed from different sources. Here is where Sentiment Analysis becomes very important as it aims to discover the right fee...
This work considers the problem of ambiguity in sentence pairs given a large dataset in which each record holds pairs of semantically similar or non-similar texts. The objective is to analyse the semantic similarity between texts. The existing semantic similarity approaches or algorithms reviewed in this work revealed some shortfalls among which ar...
In this paper, we provide a cloud based Hybrid Intrusion Detection and Prevention System using signature based method and Genetic Algorithm to defeat DDOS/DOS attacks attempting to compromise the three security goals known as “CIA” or Confidentiality (C), Integrity (I) and Availability (A) of cloud services and resources. We apply Snort-IDS with a...
This paper gives a review of the literature on the application of Hidden Markov Models in the field of sentiment analysis. This is done in relation to a research project on semantic representation and the use of probabilistic graphical models for the determination of sentiment in textual data. Relevant articles have been analyzed that correspond ma...
The proceedings explore knowledge organization systems and their role in knowledge organization, knowledge sharing, and information searching.
The papers cover a wide range of topics related to knowledge transfer, representation, concepts and conceptualization, social tagging, domain analysis, music classification, fiction genres, museum organizati...
The need for data has increased over the years with the advent of data
science. Data scientists all over the world have required more and more data to be able
to train or model various systems in machine learning and artificial intelligence. This
need for data has made crowdsourcing a major requirement and has brought about
websites like Amazon Tur...
Sourcing competent developers with required experience and skill level
for project is often a challenge and time consuming exercise for project managers.
A major source is GitHub – a social coding platform that enhances collaboration
among developers and enables them to efficiently work on projects and showcase
their skill and experience. This work...
The present situation of public transportation system in sub-Saharan Africa especially in Nigeria reveals to a large extent, a low level of effectiveness and safety. The need to provide safe transportation services to users in developing countries cannot be overemphasized. Hence, this paper provides a decision making model that helps users of publi...
In recent years, with the increase in the usage of internet-enabled electronic devices and information systems, the upsurge and availability of volumes of high dimensional data have become one of the sources of high business value. The need for businesses to make informed decisions by leveraging on the patterns from the multi-dimensional data have...
This book constitutes the thoroughly refereed proceedings of the 9th International Conference on e-Infrastructure and e-Services for Developing Countries, AFRICOMM 2017, held in Lagos, Nigeria, in December 2017.
The 19 full papers, 12 short papers and 5 workshop papers were carefully selected from 81 submissions. The papers were presented in eight...
Intelligent building energy management systems or smart building are gaining increasing attention amongst researchers and the society at large. There is an ever growing clamor for energy conservation both with a view of reducing carbon footprint and conserving natural resources. Recent reports have shown that buildings account for a large percentag...
In this paper, a new modified two-step iterative method for approximating fixed points of quasi-contractive operators is presented. It is demonstrated with some examples using an empirical approach that this iteration method performs better than some well known iterations for quasi-contractive operators satisfying Zamfirescus conditions.
Introduction The CI process From information retrieval to CIR Facilitation and management of CIS Collective information seeking scenario Conclusion Bibliography
The final goal of Information Retrieval (IR) is knowledge production. However, it has been argued that knowledge production is not an individual effort but a collaborative effort. Collaboration in information retrieval is geared towards knowledge sharing and creation of new knowledge by users. This paper discusses Collaborative Information Retrieva...
Knowledge is attributed to human whose problem-solving behavior is subjective and complex. In today's knowledge economy, the need to manage knowledge produced by a community of actors cannot be overemphasized. This is due to the fact that actors possess some level of tacit knowledge which is generally difficult to articulate. Problem-solving requir...
The shift from industrial economy to knowledge economy in today's world has revolutionalized strategic planning in organizations as well as their problem solving approaches. The point of focus today is knowledge and service production with more emphasis been laid on knowledge capital. Many organizations are investing on tools that facilitate knowle...
The management of an organisation's internal and external information is a determinant factor for the success of economic intelligence (EI) process with the goal of resolving decision problem. Information collection and analysis among EI actors necessitate a collaboration process. This dissertation centres on managing collaborative information retr...
La maîtrise de l'information interne et externe de l'organisation est déterminante pour la réussite du processus d'intelligence économique (IE) visant à la résolution d'un problème décisionnel. La collecte et le traitement de l'information parmi les acteurs impliqués dans le processus d'IE nécessitent un processus de collaboration. Cette thèse port...
In this paper, we explain social information retrieval (SIR) and collaborative information retrieval (CIR). We see SIR as a way of knowing who to collaborate with in resolving an information problem while CIR entails the process of mutual understanding and solving of an information problem among collaborators. We are interested in the transition fr...
In this paper, we explain a user centered approach to collaborative information retrieval where the focus is not only on the system but on the users' interactions in solving an information problem. Our approach consists in facilitating knowledge sharing among users during information retrieval process through annotation and interpersonal communicat...
People have to make important decisions within a time frame. Hence, it is imperative to employ means or strategy to aid effective decision making. Consequently, Economic Intelligence (EI) has emerged as a field to aid strategic and timely decision making in an organization. In the course of attaining this goal: it is indispensable to be more optimi...
La recherche d'information est un domaine qui évolue continuellement surtout avec la technologie de l'Internet. Les défis d'obtenir les informations pertinentes pour répondre aux besoins informationnels des utilisateurs augmentent proportionnellement à l'augmentation du volume d'informations. Aujourd'hui, le partage de connaissance et la collaborat...
Knowledge sharing has become a household name in many organizations and communities. Our concern is on how to facilitate knowledge sharing in Collaborative Information Retrieval (CIR). In CIR, there exist various types of knowledge that can be shared among users. In this paper we highlighted these knowledge and the CIR activities in which they can...
In this paper we present collaborative information retrieval (CIR) for decision making. We take Economic Intelligence (EI) as application domain and we propose an approach for managing CIR among actors in the domain. EI process has information as a central object. In EI, we consider the translation of a decision making problem to information search...
The impact of Information and Communication Technologies in everyday live is established. This is more pronounced particularly in the field of telecommunications such as mobile communications and Internet. This phenomenon is due to the possibility of dematerializing more and more real live objects as well as human activities.
In this paper, we exam...