Publications

Alta de Waal

Conference papers/proceedings

A. de Waal and E. Barnard, "The influence of input matrix representation on topic modelling performance," in Proceedings of the 21st Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), Stellenbosch, South Africa, November 2010, pp. 69-74.

A. de Waal and E. Barnard, "Evaluating topic models with stability," in Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), Cape Town, South Africa, November 2008, pp. 79-84.

A.J. de Waal, E. Barnard and E. du Preez, "Topic models applied to multilingual data," in Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), Pietermaritzburg, South Africa, November 2007, pp. 99-103.

Journal articles

S. Johnson, K. Mengerson, A. de Waal, K. Marnewick, D. Cilliers, A.M. Houser and L. Boast, "Modelling cheetah relocation success in Southern Africa using an iterative bayesian network development cycle," Ecological Modelling - International Journal on Ecological Modelling and Systems Ecology, vol. 221, no. 4, pp. 641-651, February 2010.

M. Plauché, A. de Waal, A. Sharma Grover and T. Gumede, "Morphological analysis: A method for selecting ICT applications in South African government service delivery," Information Technologies and International Development (ITID) Journal, Spring vol. 6, no. 4, pp. 1-20, March 2010.

A. de Waal and T. Ritchey, "Combining morphological analysis and bayesian networks for strategic decision support," ORiON - Journal of the Operations Research Society of South Africa (ORSSA), vol. 23, no. 2, pp. 105-121, December 2007.

Book / Book chapter

A. de Waal, J.P. Venter and E. Barnard, "Applying topic modelling on forensic data: A case study," Advances in Digital Forensics IV, IFIP Advances in Information and Communication Technology, vol. 285, I. Ray and S. Shenoi (eds.), Springer, pp. 115-126, 2008.

J.P. Venter, A. de Waal, C.J. Williers, "Specialising CRISP-DM evidence mining," International Federation for Information Processing, Advances in Digital Forensics III, P. Craiger, and S. Shenoi, (eds.), vol 242, Boston: Springer, 2007, pp. 303-314.

Thesis

A. de Waal, "Topic models with structured features." PhD thesis, North-West University, Potchefstroom, South Africa, 2010.