Only 12% of the world's published plastic research includes references to Africa despite it being a significant contributor global waste and mismanagement problem (~88.5% Africa's is mismanaged). Ocean plastics are transported from land by rivers sea. However, source contextualization complex. Many African predominantly run alongside human settlements that host informal dumpsites. In this study...

Increasing collection of individuals’ information has led to several security and privacy issues, such as identity theft and targeted marketing. These risks are further heightened in the mobile realm as data collection can occur continuously and ubiquitously. Most existing research considers threats to privacy and security as separate concerns, resulting in separate research streams. However, f...

The objective of this thesis is to design and develop a knowledge base model to support the maintenance system structure. The aim of this model is to identify the failure modes which are the heart of maintenance system through the functional analysis and then serves as a decision support system to define the maintenance tasks and finally to implement a preventive maintenance task. This knowledg...