The International Arab Journal of Information Technology
Extensible Markup Language (XML) is the standard medium for data exchange among businesses over t... more Extensible Markup Language (XML) is the standard medium for data exchange among businesses over the Internet, hence the need for effective management. However, since XML was not designed for storage and retrieval, its management has become an open research area in the database community. Existing mapping techniques for XML-to-relational database adopt either the structural mapping or the model mapping. Though numerous mapping approaches have been developed, mapping and reconstruction time had been problematic, especially when the document size is large and can hardly fit into main memory. In this research, an application codenamed XAPP, a new lightweight application that adopts a novel model mapping approach was developed using Simple API for XML (SAX) parser. XAPP accepts a document with or without Document Type Definition (DTD). It implements two algorithms: one maps XML data to a relational database and improves mapping time, and the other reconstructs an XML document from a rela...
Nigerian English (NigE) is a second language (L2) variety of English that has been domesticated, ... more Nigerian English (NigE) is a second language (L2) variety of English that has been domesticated, acculturated and indigenised within the Nigerian socio-cultural and linguistic contexts (Adegbija, 2004). Based on Schneider's (2007) Dynamic Model of the Development of New Englishes, scholars have shown that NigE is currently at the late stage of nativisation (stage 3) and is on the verge of entering the stage of endornormative stabilisation (stage 4) (see Gut, 2012; Collins, 2020). Nativisation, which typically begins with the declaration of independence, is a very active and important stage in which there are large-scale linguistic changes, especially during a time when English is usually the only official language (see Schneider, 2007). Although previous studies have investigated the historical development of English in Nigeria (see Taiwo, 2009), there are limited studies on the particular linguistic features that have changed over time, especially from the time Nigeria gained i...
We conducted a study on the performance of genetic algorithm in designing institutional lecture t... more We conducted a study on the performance of genetic algorithm in designing institutional lecture time table, using empirical data of a college in a Unive rsity. The study was focused on assessing the effectiveness of the algorithm given a number of hard constraints and a limited number of resources. The algorithm was implemented in C++. Several tests representing different scenarios were run and we found th at genetic algorithm would always search for an optimum lecture allocation that satisfies the hard constraints in generating Institutional lecture time table. The algorithm can only reach the fitness of 1 when all the hard constraints have been satisfied. The fitness of the algorithm can be improved upon by the provision of adequate number and sufficient capacity of resources to carter for the hard constraints. We therefore, conclude that genetic algorithm works best in an environment where resources capaci ty and availability do not constitute some bottleneck.
International Journal of Agent Technologies and Systems, 2010
The extent of the AIDS crisis is becoming clear in many African countries, as increasing numbers ... more The extent of the AIDS crisis is becoming clear in many African countries, as increasing numbers of people with HIV are becoming ill. The technology of mobile phones has brought ubiquitous access to information coupled with software agents and health care delivery systems in hospitals. It enables patient-physician contact to be more frequent. Such an environment can provide personalized monitoring services to patients and decision support to physicians, as well as maintenance for cost control. This paper proposes the deployment of 3G wireless technology with mobile agents for health care delivery to HIV/AIDS patients. Patient, nurse and physician are the agents in the proposed system. Each agent uses a mobile phone to communicate with the server anywhere at any time without restrictions. The system employs the mobility, flexibility and autonomous characteristics of mobile agents to monitor patients. The system has the ability to provide fast and reliable assistance to the patients.
British Journal of Mathematics & Computer Science, 2014
The paper seeks for a good forecast model that can accurately represent the inherent characterist... more The paper seeks for a good forecast model that can accurately represent the inherent characteristics of Internet traffic and forecast the desired traffic load to satisfy the performance target using Artificial Neural network technology. We developed a comp utational tool in Visual Basic 6.0 for this purpose, based on a Multi
Chest X-ray images were selected from a database of chest X-ray images for COVID-19 positive case... more Chest X-ray images were selected from a database of chest X-ray images for COVID-19 positive cases along with normal and viral pneumonia images which were collated by researchers from Qatar University and the University of Dhaka along with collaborators from Pakistan and Malaysia and some medical doctors. In their current release, there are 219 COVID-19 positive images, 1341 normal images and 1345 viral pneumonia images (Chowdhury et al., 2020). To ensure multiple representations, the dataset of chest X-ray images for both COVID-19 and normal cases were also selected from Mendeley dataset repository (El-Shafai, 2020) which contains 5500 Non-COVID X-ray images and 4044 COVID-19 X-ray images. This study, therefore, adopted these multi source datasets. Due to limited computing resources, in this study, 1,300 images were selected from each category. That is, 1,300 images of COVID-19 positive cases, 1,300 Normal images and 1,300 images of viral pneumonia cases, totaling 3,900 images in a...
2019 IEEE International Conference on Bioinformatics and Biomedicine (BIBM), 2019
This One way to explain the concept of face recognition is to see it as the computational ability... more This One way to explain the concept of face recognition is to see it as the computational ability engaged in verifying the identity of a person on the basis of the face image regardless of background, face-attachment, face-makeup and illumination. Face recognition has been researched and applied in real life problems such as security access controls, banking identity verification, immigrant verification and licensing. This study examines popular techniques and approaches involved in face recognition and its application in age estimation. The identification characteristics possessed by the face with other demographic information such as age, sex and ethnicity can be predicted using facial features extracted from facial images. The application of face recognition in these areas especially age estimation has not been richly researched. Consequently, this study presents an explorative write-up of face-age models with reference to the application of the commonly used face recognition tec...
Internet traffic forecasting models with learning ability, such as the artificial neural network ... more Internet traffic forecasting models with learning ability, such as the artificial neural network (ANN), have been growing in popularity in recent time due to their impressive performance in modelling the high degree of variability and nonlinearity of internet traffic. This study examined the impacts of some design issues on performance of the multi-layer artificial neural network for internet traffic forecasting. The traffic forecasting was modelled as a standard time series problem and the multilayer artificial neural network designed to performs the time series function mapping. The input lags were varied from 1 to 24. The training epoch values of 200, 500, and 1000 on one and two hidden layered networks were used. The learning algorithm was backpropagation with 0.1 learning rate and 0.9 momentum on logistic sigmoid activation function. The model was implemented in Visual Basic and validated with four categories of classified time series internet traffic of a branch residential ne...
Honey is a popular product consumed for its health benefits. It is an effective antimicrobial an ... more Honey is a popular product consumed for its health benefits. It is an effective antimicrobial an antioxidant agent. Globally, palynological and chemical methods are among the means of authenticating honey quality, geographical origin and floral origin. Six honey samples from six Nigerian towns (Abi, Ikom, Lokpanta, Nsukka, Okigwe and Shaki) were subjected to the aforementioned tests. Eighty-six pollen taxa were recorded in all the samples. The richest sample with seventy-three taxa was from Nsukka, followed successively by Okigwe, Lokpanta, Shaki, Ikom and Abi samples with sixty-eight, sixty-seven, sixty-two, fifty-nine and fifty-seven pollen species respectively. The oil palm Elaeis guineensis pollen dominated the samples in different proportions except Shaki honey dominated by Acacia spp., The commonest plant family was Fabaceae (Caesalpinioideae, Mimosoideae, Papilionideae) with twenty-one taxa followed by Euphorbiaceae, Combretaceae, with four representatives and Rubiaceae with ...
The International Arab Journal of Information Technology
Extensible Markup Language (XML) is the standard medium for data exchange among businesses over t... more Extensible Markup Language (XML) is the standard medium for data exchange among businesses over the Internet, hence the need for effective management. However, since XML was not designed for storage and retrieval, its management has become an open research area in the database community. Existing mapping techniques for XML-to-relational database adopt either the structural mapping or the model mapping. Though numerous mapping approaches have been developed, mapping and reconstruction time had been problematic, especially when the document size is large and can hardly fit into main memory. In this research, an application codenamed XAPP, a new lightweight application that adopts a novel model mapping approach was developed using Simple API for XML (SAX) parser. XAPP accepts a document with or without Document Type Definition (DTD). It implements two algorithms: one maps XML data to a relational database and improves mapping time, and the other reconstructs an XML document from a rela...
Nigerian English (NigE) is a second language (L2) variety of English that has been domesticated, ... more Nigerian English (NigE) is a second language (L2) variety of English that has been domesticated, acculturated and indigenised within the Nigerian socio-cultural and linguistic contexts (Adegbija, 2004). Based on Schneider's (2007) Dynamic Model of the Development of New Englishes, scholars have shown that NigE is currently at the late stage of nativisation (stage 3) and is on the verge of entering the stage of endornormative stabilisation (stage 4) (see Gut, 2012; Collins, 2020). Nativisation, which typically begins with the declaration of independence, is a very active and important stage in which there are large-scale linguistic changes, especially during a time when English is usually the only official language (see Schneider, 2007). Although previous studies have investigated the historical development of English in Nigeria (see Taiwo, 2009), there are limited studies on the particular linguistic features that have changed over time, especially from the time Nigeria gained i...
We conducted a study on the performance of genetic algorithm in designing institutional lecture t... more We conducted a study on the performance of genetic algorithm in designing institutional lecture time table, using empirical data of a college in a Unive rsity. The study was focused on assessing the effectiveness of the algorithm given a number of hard constraints and a limited number of resources. The algorithm was implemented in C++. Several tests representing different scenarios were run and we found th at genetic algorithm would always search for an optimum lecture allocation that satisfies the hard constraints in generating Institutional lecture time table. The algorithm can only reach the fitness of 1 when all the hard constraints have been satisfied. The fitness of the algorithm can be improved upon by the provision of adequate number and sufficient capacity of resources to carter for the hard constraints. We therefore, conclude that genetic algorithm works best in an environment where resources capaci ty and availability do not constitute some bottleneck.
International Journal of Agent Technologies and Systems, 2010
The extent of the AIDS crisis is becoming clear in many African countries, as increasing numbers ... more The extent of the AIDS crisis is becoming clear in many African countries, as increasing numbers of people with HIV are becoming ill. The technology of mobile phones has brought ubiquitous access to information coupled with software agents and health care delivery systems in hospitals. It enables patient-physician contact to be more frequent. Such an environment can provide personalized monitoring services to patients and decision support to physicians, as well as maintenance for cost control. This paper proposes the deployment of 3G wireless technology with mobile agents for health care delivery to HIV/AIDS patients. Patient, nurse and physician are the agents in the proposed system. Each agent uses a mobile phone to communicate with the server anywhere at any time without restrictions. The system employs the mobility, flexibility and autonomous characteristics of mobile agents to monitor patients. The system has the ability to provide fast and reliable assistance to the patients.
British Journal of Mathematics & Computer Science, 2014
The paper seeks for a good forecast model that can accurately represent the inherent characterist... more The paper seeks for a good forecast model that can accurately represent the inherent characteristics of Internet traffic and forecast the desired traffic load to satisfy the performance target using Artificial Neural network technology. We developed a comp utational tool in Visual Basic 6.0 for this purpose, based on a Multi
Chest X-ray images were selected from a database of chest X-ray images for COVID-19 positive case... more Chest X-ray images were selected from a database of chest X-ray images for COVID-19 positive cases along with normal and viral pneumonia images which were collated by researchers from Qatar University and the University of Dhaka along with collaborators from Pakistan and Malaysia and some medical doctors. In their current release, there are 219 COVID-19 positive images, 1341 normal images and 1345 viral pneumonia images (Chowdhury et al., 2020). To ensure multiple representations, the dataset of chest X-ray images for both COVID-19 and normal cases were also selected from Mendeley dataset repository (El-Shafai, 2020) which contains 5500 Non-COVID X-ray images and 4044 COVID-19 X-ray images. This study, therefore, adopted these multi source datasets. Due to limited computing resources, in this study, 1,300 images were selected from each category. That is, 1,300 images of COVID-19 positive cases, 1,300 Normal images and 1,300 images of viral pneumonia cases, totaling 3,900 images in a...
2019 IEEE International Conference on Bioinformatics and Biomedicine (BIBM), 2019
This One way to explain the concept of face recognition is to see it as the computational ability... more This One way to explain the concept of face recognition is to see it as the computational ability engaged in verifying the identity of a person on the basis of the face image regardless of background, face-attachment, face-makeup and illumination. Face recognition has been researched and applied in real life problems such as security access controls, banking identity verification, immigrant verification and licensing. This study examines popular techniques and approaches involved in face recognition and its application in age estimation. The identification characteristics possessed by the face with other demographic information such as age, sex and ethnicity can be predicted using facial features extracted from facial images. The application of face recognition in these areas especially age estimation has not been richly researched. Consequently, this study presents an explorative write-up of face-age models with reference to the application of the commonly used face recognition tec...
Internet traffic forecasting models with learning ability, such as the artificial neural network ... more Internet traffic forecasting models with learning ability, such as the artificial neural network (ANN), have been growing in popularity in recent time due to their impressive performance in modelling the high degree of variability and nonlinearity of internet traffic. This study examined the impacts of some design issues on performance of the multi-layer artificial neural network for internet traffic forecasting. The traffic forecasting was modelled as a standard time series problem and the multilayer artificial neural network designed to performs the time series function mapping. The input lags were varied from 1 to 24. The training epoch values of 200, 500, and 1000 on one and two hidden layered networks were used. The learning algorithm was backpropagation with 0.1 learning rate and 0.9 momentum on logistic sigmoid activation function. The model was implemented in Visual Basic and validated with four categories of classified time series internet traffic of a branch residential ne...
Honey is a popular product consumed for its health benefits. It is an effective antimicrobial an ... more Honey is a popular product consumed for its health benefits. It is an effective antimicrobial an antioxidant agent. Globally, palynological and chemical methods are among the means of authenticating honey quality, geographical origin and floral origin. Six honey samples from six Nigerian towns (Abi, Ikom, Lokpanta, Nsukka, Okigwe and Shaki) were subjected to the aforementioned tests. Eighty-six pollen taxa were recorded in all the samples. The richest sample with seventy-three taxa was from Nsukka, followed successively by Okigwe, Lokpanta, Shaki, Ikom and Abi samples with sixty-eight, sixty-seven, sixty-two, fifty-nine and fifty-seven pollen species respectively. The oil palm Elaeis guineensis pollen dominated the samples in different proportions except Shaki honey dominated by Acacia spp., The commonest plant family was Fabaceae (Caesalpinioideae, Mimosoideae, Papilionideae) with twenty-one taxa followed by Euphorbiaceae, Combretaceae, with four representatives and Rubiaceae with ...
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