Journal Articles
2022
Surrogate-assisted strategies: the parameterisation of an infectious disease agent-based model
Neural Computing and Applications, pp. 1--12, Jan-Dec. 2022
Multivariate anomaly detection based on prediction intervals constructed using deep learning
Neural Computing and Applications, pp. 1--15, Jan-Dec. 2022
A Statistics and Deep Learning Hybrid Method for Multivariate Time Series Forecasting and Mortality Modeling
Forecasting, vol. 4, no. 1, pp. 1--25, Jan-Dec. 2022
Investigating Explainability Methods in Recurrent Neural Network Architectures for Financial Time Series Data
Applied Sciences, vol. 12, no. 3, pp. 1427, Jan-Dec. 2022
Transfer learning and deep metric learning for automated galaxy morphology representation
IEEE Access, vol. 10, pp. 19539--19550, Jan-Dec. 2022
Deep Reinforcement Learning and Convex Mean-Variance Optimisation for Portfolio Management
arXiv preprint arXiv:2203.11318, Jan-Dec. 2022
Evaluating State of the Art, Forecasting Ensembles-and Meta-learning Strategies for Model Fusion
Forecasting, vol. 4, pp. 732--751, Jan-Dec. 2022
Investigating Transfer Learning in Graph Neural Networks
Electronics, vol. 11, no. 8, pp. 1202, Jan-Dec. 2022
Surrogate-assisted evolutionary multi-objective optimisation applied to a pressure swing adsorption system
Neural Computing and Applications, pp. 1--17, Jan-Dec. 2022
2021
Determining real-time patterns of lightning strikes from sensor observations
Journal of Geovisualization and Spatial Analysis, vol. 5, pp. 1--18, Jan-Dec. 2021
Did we produce more waste during the covid-19 lockdowns? a remote sensing approach to landfill change analysis
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 14, pp. 7349--7358, Jan-Dec. 2021
Comparing class-aware and pairwise loss functions for deep metric learning in wildlife re-identification
Sensors, vol. 21, no. 18, pp. 6109, Jan-Dec. 2021
Modeling E-Behaviour, Personality and Academic Performance with Machine Learning
Applied Sciences, vol. 11, no. 22, pp. 10546, Jan-Dec. 2021
Deep/Transfer Learning with Feature Space Ensemble Networks (FeatSpaceEnsNets) and Average Ensemble Networks (AvgEnsNets) for Change Detection Using DInSAR Sentinel-1 and Optical Sentinel-2 Satellite Data Fusion
Remote Sensing, vol. 13, no. 21, pp. 4394, Jan-Dec. 2021
2020
Applications of Machine Learning to Estimating the Sizes and Market Impact of Hidden Orders in the BRICS Financial Markets
Journal of Advanced Studies in Finance, vol. 11, no. 1(21), pp. 28--64, Jan-Dec. 2020
A framework for online investment decisions
Investment Analysts Journal, vol. 49, no. 3, pp. 215--231, Jan-Dec. 2020
2018
A framework for visual analytics of spatio-temporal sensor observations from data streams
ISPRS International Journal of Geo-Information, vol. 7, no. 12, pp. 475, Jan-Dec. 2018
2013
National Carbon Sink Assessment for South Africa: First Estimate of Terrestrial Stocks and Fluxes
CSIR: Pretoria, South Africa, pp. 1--38, Jan-Dec. 2013
2012
FOSS geospatial libraries in scientific workflow environments: experiences and directions
Applied Geomatics, vol. 4, pp. 85--93, Jan-Dec. 2012
HiTempo: a platform for time-series analysis of remote-sensing satellite data in a high-performance computing environment
International journal of remote sensing, vol. 33, no. 15, pp. 4720--4740, Jan-Dec. 2012
2011
Earth observation scientific workflows in a distributed computing environment
Transactions in GIS, Jan-Dec. 2011
2010
Earth observation sensor web: An overview
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 3, no. 4, pp. 415--417, Jan-Dec. 2010
An implementation of resource-negotiating agents in telemanufacturing
International Journal of Product Development, vol. 11, no. 1-2, pp. 115--135, Jan-Dec. 2010
Signal-regulated systems and networks
Complexity, vol. 15, no. 6, pp. 50--63, Jan-Dec. 2010
2009
The sensor web: systems of sensor systems
International Journal of Digital Earth, vol. 2, no. 1, pp. 16--30, Jan-Dec. 2009
2008
Enabling a new era of Earth observation research: scientific workflows for the Sensor Web'
Ecological Circuits, vol. 1, pp. 20--23, Jan-Dec. 2008
Conference Publications and Posters
2022
Full Rotation Hyper-ellipsoid Multivariate Adaptive Bandwidth Kernel Density Estimator
287--303, Second Southern African Conference on Artificial Intelligence Research, Springer, Cham, Jan-Dec. 2022
Fusion of Sentiment and Asset Price Predictions for Portfolio Optimization
1--8, 2022 25th International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2022
Using Machine Learning to Fuse Verbal Autopsy Narratives and Binary Features in the Analysis of Deaths from Hyperglycaemia
90--106, Proceedings of SACAIR2021, Jan-Dec. 2022
Twin-Delayed Deep Deterministic Policy Gradient Algorithm for Portfolio Selection
1--8, 2022 IEEE Symposium on Computational Intelligence for Financial Engineering and Economics (CIFEr), IEEE, Jan-Dec. 2022
An Empirical Comparison of Cross-Validation Procedures for Portfolio Selection
1--10, 2022 IEEE Symposium on Computational Intelligence for Financial Engineering and Economics (CIFEr), IEEE, Jan-Dec. 2022
Application of Convolutional Neural Networks to the Quantification of Tick Burdens on Cattle Using Infrared Thermographic Imaging
1--9, 2022 IST-Africa Conference (IST-Africa), IEEE, Jan-Dec. 2022
Multi-modal Recommendation System with Auxiliary Information
108--122, Artificial Intelligence Research: Third Southern African Conference, SACAIR 2022, Stellenbosch, South Africa, December 5--9, 2022, Proceedings, Springer Nature Switzerland Cham, Jan-Dec. 2022
Improving Cause-of-Death Classification from Verbal Autopsy Reports
46--59, Artificial Intelligence Research: Third Southern African Conference, SACAIR 2022, Stellenbosch, South Africa, December 5--9, 2022, Proceedings, Springer Nature Switzerland Cham, Jan-Dec. 2022
Towards a methodology for addressing missingness in datasets, with an application to demographic health datasets
169--186, Artificial Intelligence Research: Third Southern African Conference, SACAIR 2022, Stellenbosch, South Africa, December 5--9, 2022, Proceedings, Springer Nature Switzerland Cham, Jan-Dec. 2022
2021
Deep Similarity Learning for Sports Team Ranking
1--6, 2021 Southern African Universities Power Engineering Conference/Robotics and Mechatronics/Pattern Recognition Association of South Africa (SAUPEC/RobMech/PRASA), IEEE, Jan-Dec. 2021
Parden: Surrogate assisted hyper-parameter optimisation for portfolio selection
101--107, 2021 8th international conference on soft computing & machine intelligence (ISCMI), IEEE, Jan-Dec. 2021
Feature-weighted stacking for nonseasonal time series forecasts: A case study of the COVID-19 epidemic curves
53--59, 2021 8th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2021
Incremental Class Learning using Variational Autoencoders with Similarity Learning
arXiv preprint arXiv:2110.01303, Jan-Dec. 2021
Comparing CNN Architectures for Land Cover Classification on Multispectral Images
5378--5381, 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, IEEE, Jan-Dec. 2021
Surrogate Parameters Optimization for Data and Model Fusion of COVID-19 Time-series Data
1--7, 2021 IEEE 24th International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2021
Deep learning for financial time series forecast fusion and optimal portfolio rebalancing
1--8, 2021 IEEE 24th International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2021
AMA-K: Aggressive Multi-temporal Allocation with K Experts for Online Portfolio Selection
114--119, 2021 8th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2021
MA-FDRNN: Multi-asset fuzzy deep recurrent neural network reinforcement learning for portfolio management
32--37, 2021 8th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2021
The efficient frontiers of mean-variance portfolio rules under distribution misspecification
1--8, 2021 IEEE 24th International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2021
2020
Inter-and intra-domain knowledge transfer for related tasks in deep character recognition
1--6, 2020 International SAUPEC/RobMech/PRASA Conference, IEEE, Jan-Dec. 2020
Deep Learning and Transfer Learning applied to Sentinel-1 DInSAR and Sentinel-2 optical satellite imagery for change detection
1--7, 2020 International SAUPEC/RobMech/PRASA Conference, IEEE, Jan-Dec. 2020
Automating predictive maintenance using oil analysis and machine learning
1--6, 2020 International SAUPEC/RobMech/PRASA Conference, IEEE, Jan-Dec. 2020
Comparison of recurrent neural network architectures for wildfire spread modelling
1--6, 2020 International SAUPEC/RobMech/PRASA Conference, IEEE, Jan-Dec. 2020
Unique Faces Recognition in Videos
2020 IEEE 23rd International Conference on Information Fusion (FUSION), Jan-Dec. 2020
Surrogate Assisted Methods for the Parameterisation of Agent-Based Models
2020 7th International Conference on Soft Computing & Machine Intelligence (ISCMI), Jan-Dec. 2020
A scalable heterogeneous big data framework for e-learning systems
1--15, 2020 international conference on artificial intelligence, big data, computing and data communication systems (icABCD), IEEE, Jan-Dec. 2020
A rules-based and transfer learning approach for deriving the Hubble type of a galaxy from the galaxy zoo data
1--7, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
Unique animal identification using deep transfer learning for data fusion in siamese networks
1--6, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
Predicting particle fineness in a cement mill
1--8, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
A method for dissolved gas forecasting in power transformers using ls-svm
1--8, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
Data-driven evolutionary optimisation for the design parameters of a chemical process: A case study
1--8, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
Deep similarity learning for soccer team ranking
1--7, 2020 IEEE 23rd International Conference on Information Fusion (FUSION), IEEE, Jan-Dec. 2020
DRICORN-K: A Dynamic RIsk CORrelation-driven Non-parametric Algorithm for Online Portfolio Selection
183--196, Southern African Conference for Artificial Intelligence Research, Springer, Cham, Jan-Dec. 2020
Comparing generalisation using crowd-sourced vs expert labels for galaxies classification
158--162, 2020 7th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2020
Makespan minimisation for multipurpose batch plants using metaheuristic approaches
56--60, 2020 7th international conference on soft computing & machine intelligence (ISCMI), IEEE, Jan-Dec. 2020
Automated identification of individuals in wildlife population using siamese neural networks
224--228, 2020 7th international conference on soft computing & machine intelligence (ISCMI), IEEE, Jan-Dec. 2020
Comparative analysis of catastrophic forgetting in metric learning
68--72, 2020 7th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2020
Extended surrogate assisted continuous process optimisation
275--279, 2020 7th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2020
Automated Music Recommendations Using Similarity Learning
288, SACAIR 2020, Jan-Dec. 2020
Prediction interval construction for multivariate point forecasts using deep learning
88--95, 2020 7th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2020
A comparative study of ensemble approaches to fact-checking for the fever shared task
1--8, 2020 IEEE Asia-Pacific Conference on Computer Science and Data Engineering (CSDE), IEEE, Jan-Dec. 2020
2019
Comparative metaheuristic performance for the scheduling of multipurpose batch plants
121--125, 2019 6th international conference on soft computing & machine intelligence (ISCMI), IEEE, Jan-Dec. 2019
Peak Detection, Feature Extraction and Clustering of Peptides Fragments Ions
144--149, 2019 6th International Conference on Soft Computing & Machine Intelligence (ISCMI), IEEE, Jan-Dec. 2019
Author identification from handwritten characters using Siamese CNN
1--6, 2019 International Multidisciplinary Information Technology and Engineering Conference (IMITEC), IEEE, Jan-Dec. 2019
A systematic review on big data analytics frameworks for higher education-Tools and algorithms
1--9, Proceedings of the 2019 2nd International Conference on E-Business, Information Management and Computer Science, Jan-Dec. 2019
2016
Towards The Development Of A Taxonomy For Visualisation Of Streamed Geospatial Data
ISPRS Annals of Photogrammetry, Remote Sensing & Spatial Information Sciences, Jan-Dec. 2016
Geospatial data stream processing in Python using FOSS4G components
ISPRS, Jan-Dec. 2016
2014
A comparison of machine learning techniques for predicting downstream acid mine drainage
IGARRS, Jan-Dec. 2014
Fire hazard notifications via Satellite, Twitter, Citizen Reports, and Android Apps
Proceedings of the African Cyber Citizen Conference, Jan-Dec. 2014
Adding temporal data enhancements to the advanced spatial data infrastructure platform
AARSE2014, Jan-Dec. 2014
2013
Applying Sensor Web strategies to Big Data earth observations
798--799, Geoscience and Remote Sensing Symposium (IGARSS), 2013 IEEE International, IEEE, Jan-Dec. 2013
2012
Harnessing cyber-infrastructure for local scale climate change research in Africa
IST-Africa Conference Proceedings, Jan-Dec. 2012
Beyond GIS with EO4VisTrails: a geospatio-temporal scientific workflow environment
EE Publishers, Jan-Dec. 2012
2009
IT infrastructure enabling open access for flood risk preparedness in South Africa
6th International ISCRAM 2009 Conference, Jan-Dec. 2009
Using SensorML to describe scientific workflows in distributed web service environments
V--375, 2009 IEEE International Geoscience and Remote Sensing Symposium, IEEE, Jan-Dec. 2009
Self-organising sensor web using cell-fate optimisation
V--461, 2009 IEEE International Geoscience and Remote Sensing Symposium, IEEE, Jan-Dec. 2009
2008
User requirements for sensor web based scientific workflows in the Cholera research domain
V--136, IGARSS 2008-2008 IEEE International Geoscience and Remote Sensing Symposium, IEEE, Jan-Dec. 2008
Software Agent Technology supporting Risk Management in SPM
IADIS International Conference on Applied Computing (IADIS 2008), Algarve, Portugal, Jan-Dec. 2008
Classification of web resident sensor resources using Latent Semantic Indexing and ontologies
518--523, 2008 IEEE International Conference on Systems, Man and Cybernetics, IEEE, Jan-Dec. 2008
GEOSS from orbit, a sensor web approach
I--134, IGARSS 2008-2008 IEEE International Geoscience and Remote Sensing Symposium, IEEE, Jan-Dec. 2008
2007
A Need for Biologically Inspired Architectural Description: The Agent Ontogenesis Case
146--157, Pacific Rim International Conference on Multi-Agents, Springer, Berlin, Heidelberg, Jan-Dec. 2007