Groenewald, Hendrik J., Gerhard B. Van Huyssteen, and Martin J. Puttkammer. 2007. “Evaluating wrapped progressive sampling for automatic algorithmic parameter optimisation.” International Conference Recent Advances in Natural Language Processing, RANLP:251-255.
Groenewald, Hendrik J., Antal Van den Bosch, and Gerhard B. Van Huyssteen. 2007. “Feature selection and parameter optimisation for effective Afrikaans lemmatisation.” Computational Linguistics in the Netherlands, University of Leuven, LEUVEN, Belgium.
Brits, J. C., Rigardt S. Pretorius, and Gerhard B. Van Huyssteen. 2006. “Automatic Lemmatisation in Setswana: Towards a Prototype.” South African Journal of African Languages 25:37-47.