Browsing Computational and Communication Science Engineering by Title
Now showing items 374-393 of 534
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On Minimizing the Ultimate Ruin Probability of an Insurer by Reinsurance
(Hindawi, 2018-02-22)We consider an insurance company whose reserves dynamics follow a diffusion-perturbed risk model. To reduce its risk, the company chooses to reinsure using proportional or excess-of-loss reinsurance. Using the ... -
On the Identification of Required Security Controls Suitable for Converged Web and Mobile Applications
(International Journal of Computing and Digital Systems, 2016-01-01)Contemporary development of information systems for service delivery is at the present a matter of bringing together use of web and mobile applications. However, this advancement in the field of computing is happening at ... -
Online and Offline Android Based Mobile Application for Mapping Health Facilities Using Google Map API. Case Study: Tanzania and Kenya Borders
(Scientific Research Publishing Inc., 2021-08)The evolution of technology in 1990s resulted in the enormous growth of smartphones and the propagation of mobile applications (App) that marked new opportunities for healthcare centers and medical education. Apps have ... -
An Online Collaborative Discussion Platform for Bridging a Technological Reliance Gap in Higher Learning Institutions in Tanzania
(Modern Education and Computer Science Press, 2018-11-08)Currently, the online discussion forums have become the focal point for e-learning in many Higher Learning Institutions (HLIs); this is due to the ubiquitous of Information and Communication Technology (ICT) tools, ... -
Online discussion platforms for effective collaborative learning in higher learning institutions in Tanzania
(NM-AIST, 2020-03)The implementation of the 2030 vision to provide a 12-years free primary and secondary education and higher education loan scheme offered by the government will increase students’ enrolment in higher learning institutions. ... -
Online platform for linking farmers and agro-vet services in Tanzania. case study: poultry
(NM-AIST, 2021-11)Poultry farming is a rapidly, growing livestock sector in Tanzania that supports rural and urban households on income and source of information. In addition to poultry being a source of food, it provides manure which ... -
Optimal control and cost effectiveness analysis of contamination associated with aflatoxins in maize kernels, livestock and humans
(Elsevier, 2023-12)Aflatoxin contamination poses a significant challenge in food safety and security as it affects both health of consumers and supply chains. Due to health impacts associated with aflatoxin contamination, countries have set ... -
An Optimal Smart Tank Juice-level Monitoring System for Beverage Industries: A Case Study of Raha Beverages Company Limited, Arusha, Tanzania
(IEIESPC(IEIE Transactions on Smart Processing and Computing), 2022-06-30)Poor monitoring of levels in juice tanks is among the challenges that beverage industries face when pumping liquid from one tank to another. This leads to spilling fluids, faulty juice tests, and industrial accidents. To ... -
Optimisation of Water Loss Management Strategies: Multi-Criteria Decision Analysis Approaches
(Journal of Mathematics and Informatics, 2020-02-29)Water loss in the water distribution systems (WDS) is a challenge to many water authorities in the world but the problem is crucial in the less developed countries. The effect of water losses in the WDS includes the ... -
Optimization Design of Patch Antenna by Introduction of Capacitive Patch
(IEEE, 2018)An efficient method for integrating genetic algorithm (GA) with method of moments for capacitive patch antenna design has been presented. The movement of capacitive patch within the antenna model and its length are controlled ... -
Optimization of dividend payouts and reinsurance policies under a set ruin probability target
(NM-AIST, 2019-03)This dissertation is devoted to the mathematical investigation of the topic: Optimization of Dividend Payouts and Reinsurance Policies under a Set Ruin Probability Target. Its purposes are, first, to determine the optimal ... -
Optimization of Hata Model based on Measurements Data using Least Square Method: A Case Study in Dar-es-Salaam – Tanzania
(International Journal of Computer Applications, 2014-09)ABSTRACT In this study, we present a measurement-based model for path loss prediction in three GSM service areas at 900 MHz .Modified Hata model for rural, suburban, and urban environments were derived in this study on ... -
Optimization of Multiple-Short PIFA for Broadband Communication
(IEEE, 2007-12-26)As wireless systems gain wider acceptance and enjoy increased application, performance and cost constraints on the wireless system antennas become more difficult to meet. In this context, antennas that are small in size, ... -
Option pricing using jump diffusion model: a case of stock markets of selected east African countries
(NM-AIST, 2020-03)The stock price is characterized by several features which can only be captured by the best model. To investigate this the Merton's jump-diffusion model was developed and applied to the selected stocks of three East ... -
Organisational Culture Attributes Influencing the Adoption of Agile Practices: A Systematic Literature Review
(Journal of Information Systems Engineering and Management, 2022-01-31)Organisations have been adopting agile practices to deliver information system projects faster and create business value. Despite its advantages, many organisations battle to successfully adopt agile practices. While there ... -
Overview applications of data mining in health care: The case study of Arusha region
(IJCER, 2013-08)Data mining as one of many constituents of health care has been used intensively and extensively in many organizations around the globe as an efficient technique of finding correlations or patterns among dozens of fields ... -
An overview of existing frameworks for integrating fragmented information systems
(International Journal of Information Sciences and Techniques (IJIST, 2016-11)Literatures show that there are several structured integration frameworks which emerged with the aim of facilitating application integration. But weakness and strength of these frameworks are not known. This paper aimed ... -
An overview of pipeline leak detection and location systems
(Pan African International Conference on Information Science, Computing and Telecommunications, 2014-07)Leak detection in transmission pipelines is crucially important for safe operation. Delay in detecting leaks leads to loss of property and human life in fire hazards and loss of valuable material. Leaking of methane and ... -
An Overview of Various Propagation Model for Mobile Communication
(Pan African International Conference on Information Science, Computing and Telecommunications, 2014)System’s propagation characteristics through a medium is one of the important task to be done before planning and optimization of any network in order to estimate the signal parameter accurately for mobile system. Propagation ... -
Parameters estimation, global sensitivity analysis and model fitting for the dynamics of Plutella xylostella infestations in a cabbage biomass
(Elsevier, 2024-01-24)Plutella xylostella, commonly called Diamondback moth (DBM), a highly destructive and rapidly spreading agricultural pest originally from Europe. This pest poses a significant threat to global food security, with ...