ajayi olusola

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ICT application in higher education : design of auto-response system for students' enquiries (ASSE)

Journal of Emerging Trends in Engineering and Applied Sciences, 2014

Student Support System is increasingly becoming one of the prioritised areas of concern in all te... more Student Support System is increasingly becoming one of the prioritised areas of concern in all tertiary institutions especially in Nigeria. Web portals are replacing the usual manual processes. Meanwhile students still find it challenging to have access to timely information anytime anywhere. The adoption of Mobile Computing and Telecommunication on portable devices such as ipads, smartphones, and handsets have made possible information delivery at the fingertips of users. With Computer-Telephony Integration (CTI), an Interactive Voice Response System (IVRS) can be deployed. This research work therefore is based on the design of IVRS to fit into tertiary institutions Students' Information Systems in Nigeria, Rufus Giwa Polytechnic being the case study. Rapid Application Development approach is adopted. The system is developed using VOXEO Prophecy Server, HTML, Ajax-PHP, WAMP Server and MySQL with the school web portal to provide IVR Server and required database. The system is to...

Comparative Analysis of Software Components Reusability Level using GFS and ANFIS Soft-Computing Techniques

NIPES Journal of Science and Technology Research, 2020

The quest to develop software of great quality with timely delivery and tested components gave bi... more The quest to develop software of great quality with timely delivery and tested components gave birth to reuse. Component reusability entails the use (re-use) of existing artefacts to improve the quality and functionalities of software. Many approaches have been used by different researchers and applied to different metrics to assess software component reusability level. In addition to the common quality factors used by many authors, such as customisability, interface complexity, portability and understandability, this study introduces and justifies stability, in the context of volatility as a factor that determines the reusability of software components. Sixty-nine software components were collected from third party software vendors and data extracted from their features were used to compute the metric values of the five (5) selected quality factors. Genetic-Fuzzy System (GFS) was used to predict the level of the components' reusability. The performance of the GFS was compared with that of Adaptive Neuro-Fuzzy Inference System (ANFIS) approach using their corresponding average RMSE (Root Mean Square Error), in order to ascertain the level of accuracy of the prediction. The results of the findings showed that, GFS with an RMSE of 0.0019 provides better reusability prediction accuracy compare to ANFIS with an RMSE of 0.1480.

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Unprocessed Ota Kaolin As A weighting Additive In Drilling Fluid

Abstract—Drilling fluid cost and effectiveness are two key factors in drilling fluid selection. K... more Abstract—Drilling fluid cost and effectiveness are two key factors in drilling fluid selection. Kaolinitic clay is of the family of bentonite and investigation was carried out to check the effect of partial replacement of expensive bentonite in drilling mud with cheap Nigerian kaolin. Two types of kaolin, kaolin1 and kaolin2, were sources in deep wells at Ota, Ogun state, Nigeria at depths between 100ft and 120feet. The two types of kaolin were used naturally in unprocessed state. It was discovered that the apparent and actual viscosities of the mud reduces significantly with increasing kaolin1 and kaolin2 content. Replacement of bentonite with kaolin1 resulted in 85.7 % reduction in the mud viscosity while that of kaolin2 gave a corresponding 83.33 % reduction. This is an indication that bentonite is more effective than the two kaolin as a viscosifier. The density of the mud slurry increased significantly with more kaolin1 and kaolin2 addition with a 25 % and 27.25 % increase respectively at 100%

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