Classification Problems Within Particle Physics

Researcher: Mafanedza Nephawe, University of the Witwatersrand, JohannesburgSupervisor: Prof Prince Ntimeni The Higgs boson, a fundamental particle, gives mass to others and was confirmed in 2012 atCERN[1, 5]. The associated Higgs field explains mass differences and supports the StandardModel. [2]Large Hadron Collider channels target specific particles, ZH

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Automatic pothole detection

Researcher: Vhahangwele Netshilonwe, Sol Plaatje University Supervisor: Dr. Michael Olusanya , Sol Plaatje University This study investigates how machine learning can be used to detect road damage, specifically potholes, in images of roads. The study tests a particular machine learning model called the “one-class support vectormachine (OCSVM)”

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Uncovering hidden tax fraud patterns using graph attention networks supplemented with XGBoost and KMeans clustering

Researcher: Zolani Xulu, University of the Witwatersrand, JohannesburgSupervisor: Dr. Martins Arasomwan, University of the Witwatersrand, Johannesburg This study introduces a hybrid machine learning framework that combines a Graph Attention Network (GAT), k-means clustering, and XGBoost enhanced with the Synthetic Minority Oversampling Technique (SMOTE) to uncover hidden tax

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A Comparative Analysis of the Impact of Foreign Aid on Development in Africa

Researcher: Rorisang Motlogelwa, University of the Witwatersrand, JohannesburgSupervisor: Dr Ekeminiabasi Eyita-Okon, University of the Witwatersrand, Johannesburg This study examines how the impact of foreign aid on development varies across Africa from 2013 to 2022. Drawing on Amartya Sen’s (1999) development as freedom framework, development is assessed through

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Security and development in practice: a quantitative analysis of the Nexus

Researcher: Lemohang Mosoeunyane, University of the Witwatersrand, JohannesburgSupervisor: Dr C. Monjane, University of the Witwatersrand, Johannesburg This study investigates the security-development nexus (SDN) through a cross-national quantitative analysis that moves beyond case-specific and largely theoretical debates. It assesses the extent to which stability translates into development and

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Using discrete emotions and review discrepency to predict the helpfulness of mobile app reviews

Researcher: Mpho Modise, University of the Witwatersrand, JohannesburgSupervisor: Dr S. Verkijika, University of the Witwatersrand, Johannesburg In our digital lives, smartphones have become indispensable tools, and the GooglePlay Store stands as a central platform for mobile applications. User reviews on thisplatform significantly influence consumer decisions. Nevertheless, the

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Safe urban futures: exploring the nexus between urban safety and quality of life in South African cities

Researcher: Lerato Tlale, University of the Witwatersrand, JohannesburgSupervisor: Helen Sarah Robertson, University of the Witwatersrand, Johannesburg Urban safety’s correlation with holistic quality of life in South Africa’s evolving urban landscape demands comprehensive exploration and understanding.South Africa’s population, estimated at 58 million in2019 and projected to reach 65

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