Philosophiae Doctor - PhD (Computer Science)
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Recent Submissions
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A framework for the analysis of discrete irregular patterned sequential datasets
(University of the Western Cape, 2023)Trial-and-error is often used for developing new deep learning models. There is no systematic procedure for improving existing models for predicting irregular sequential time-series. This research developed a systematic ... -
The application of statistical and machine learning techniques for DDOS detection in network information systems
(University of the Western Cape, 2022)A surge of large-scale Distributed Denial of Service (DDoS) attacks has swept the internet in recent years, possibly presenting a serious threat to industry internet service offerings. These attacks take advantage of ... -
Digital watermarking methods for data security and authentication
(University of the Western Cape, 2008)Throughout history people have tried to develop methods to secure the exchange of information. Due to the influence of the information technology revolution, protecting data of different types has become as essential ... -
Synergistic use of promoter prediction algorithms: A choice for small training dataset?
(University of the Western Cape, 2000)This chapter outlines basic gene structure and how gene structure is related to promoter structure in both prokaryotes and eukaryotes and their transcription machinery. An in-depth discussion is given on variations types ... -
Energy Optimization for Wireless Sensor Networks using Hierarchical Routing Techniques
(University of the Western Cape, 2015)Wireless sensor networks (WSNs) have become a popular research area that is widely gaining the attraction from both the research and the practitioner communities due to their wide area of applications. These applications ... -
Voice and rural wireless mesh community networks: a framework to quantify scalability and manage end-user smartphone battery consumption
(University of Western Cape, 2021)Community wireless mesh initiatives are a pioneering option to cheap ‘last-mile’ access to network services for rural low-income regions primarily located in Sub-Saharan Africa and Developing Asia. However, researchers ... -
Resource management in the cloud: An end-to-end Approach
(University of Western Cape, 2020)Cloud Computing enables users achieve ubiquitous on-demand , and convenient access to a variety of shared computing resources, such as serves network, storage ,applications and more. As a business model, Cloud Computing ... -
Predictors of design and adoption of collaborative elearning environments: a multi-method analysis
(University of Western Cape, 2020)Research has shown that collaborative eLearning can provide educational opportunities to groups of learners; both distance learners as well as traditional campus-based learners. It provides innovative educational methods ... -
The development of a computer science curriculum for the higher technical and vocational institutions in Libya
(University of the Western Cape, 2019)The aim of the study was to develop a framework to align the Computer Science curricula of higher technical and vocational institutions in Libya with the curriculum as proposed by the Association for Computing Machinery, ... -
Cooperative data muling using a team of unmanned aerial vehicles
(University of the Western Cape, 2019)Unmanned Aerial Vehicles (UAVs) have recently o ered signi cant technological achievements. The advancement in related applications predicts an extended need for automated data muling by UAVs, to explore high risk places, ... -
Quality of service in cloud computing: Data model; resource allocation; and data availability and security
(University of the Western Cape, 2019)Recently, massive migration of enterprise applications to the cloud has been recorded in the Information Technology (IT) world. The number of cloud providers offering their services and the number of cloud customers ... -
Energy optimization for wireless sensor networks using hierarchical routing techniques
(University of the Western Cape, 2015)Wireless sensor networks (WSNs) have become a popular research area that is widely gaining the attraction from both the research and the practitioner communities due to their wide area of applications. These applications ... -
White Space Network Management: Spectrum Quanti cation, Spectrum Allocation and Network Design
(University of the Western Cape, 2017)The unused spectrum in the television broadcasting frequency bands (so-called TV white spaces) can alleviate the spectrum crunch, and have potential to provide broadband connection to rural areas of countries in the ... -
Recognition of facial action units from video streams with recurrent neural networks : a new paradigm for facial expression recognition
(University of the Western Cape, 2011)This research investigated the application of recurrent neural networks (RNNs) for recognition of facial expressions based on facial action coding system (FACS). Support vector machines (SVMs) were used to validate the ... -
The strategic role of software development within the software industry of the Western Cape (South Africa)
(University of the Western Cape, 2016)Africa’s mobile phone penetration has surpassed that of the United States of America and information communication technologies, according to the World Bank, contribute more to its gross domestic product than the global ... -
The availability, applicability and utility of information systems engineering standards in South African higher education
(University of the Western Cape, 2016)Higher education institutions in South Africa have invested heavily in information technology and information systems, with variable outcomes. Organisations in other sectors, such as engineering, the defence industry, ... -
Processing hidden Markov models using recurrent neural networks for biological applications
(University of the Western Cape, 2013)In this thesis, we present a novel hybrid architecture by combining the most popular sequence recognition models such as Recurrent Neural Networks (RNNs) and Hidden Markov Models (HMMs). Though sequence recognition problems ... -
Towards a unified modelling framework for adaptive networks.
(University of the Western Cape, 2014)Adaptive networks are complex networks with nontrivial topological features and connection patterns between their elements which are neither purely regular nor purely random. Their applications are in sociology, biology, ... -
Context-awareness for adaptive information retrieval systems
(University of the Western Cape, 2014)This research study investigates optimization of IRS to individual information needs in order of relevance. The research addressed development of algorithms that optimize the ranking of documents retrieved from IRS. In ... -
Towards ensuring scalability, interoperability and efficient access control in a triple-domain grid-based environment
(2012)The high rate of grid computing adoption, both in academe and industry, has posed challenges regarding efficient access control, interoperability and scalability. Although several methods have been proposed to address ...
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