Improving the Performance of the Ripper in Insurance Risk Classification - A Comparitive Study using Feature Selection. - Mlungisi Duma; Bhekisipho Twala; Tshilidzi Marwala; Fulufhelo V. Nelwamondo (ICINCO (1), 2011)

Improving the Performance of the Support Vector Machine in Insurance Risk Classification - A Comparitive Study. - Mlungisi Duma; Bhekisipho Twala; Tshilidzi Marwala; Fulufhelo V. Nelwamondo (IJCCI (NCTA), 2011)

Improving the performance of the ripper in insurance risk classification : A comparitive study using feature selection - Mlungisi Duma; Bhekisipho Twala; Tshilidzi Marwala (CoRR, 2011)

Classification with missing data using multi-layered artificial immune systems. - Mlungisi Duma; Bhekisipho Twala; Tshilidzi Marwala; Fulufhelo Vincent Nelwamondo (IEEE Congress on Evolutionary Computation, 2012)

Predictive Modeling with Missing Data using an Automatic Relevance Determination Ensemble: a Comparative Study. - Mlungisi Duma; Bhekisipho Twala; Fulufhelo V. Nelwamondo; Tshilidzi Marwala (Appl. Artif. Intell., 2012)

Partial imputation of unseen records to improve classification using a hybrid multi-layered artificial immune system and genetic algorithm. - Mlungisi Duma; Tshilidzi Marwala; Bhekisipho Twala; Fulufhelo V. Nelwamondo (Appl. Soft Comput., 2013)

Optimising latent features using artificial immune system in collaborative filtering for recommender systems. - Mlungisi Duma; Bhekisipho Twala (Appl. Soft Comput., 2018)

Sparseness reduction in collaborative filtering using a nearest neighbour artificial immune system with genetic algorithms. - Mlungisi Duma; Bhekisipho Twala (Expert Syst. Appl., 2019)

Control parameter optimisation using the evidence framework for the ant colony optimisation algorithm. - Mlungisi Duma; Bhekisipho Twala; Tshilidzi Marwala (Inf. Sci., 2025)