1. Au WH, Chan KCC. An effective algorithm for discovering fuzzy rules in relational databases. Proceedings of the 7th IEEE Internatioinal Databases, 1998. p. 1314–9.
2. Chouchoulas A, Shen Q. Rough set-aided rule induction for plant monitoring. Proceedings of the 1998 International Joint Conference on Information Science, vol. 2, 1998. p. 316–9.
3. ERUDIT, European Network for Fuzzy Logic and Uncertainty Modelling in Information Technology. Protecting rivers and streams by monitoring chemical concentrations and algae communities (3rd International Competition), 1999. http://www.erudit.de/erudit/activities/ic-99/problem.htm.
4. Gómez-Skarmeta AF, Jiménez F. Generating and tuning fuzzy rules using hybrid systems. Proceedings of the 6th IEEE International Conference on Fuzzy Systems, 1997. p. 247–51.
5. Gómez Marin-Blazquez J. Shen Q. Tuson A. Tuning fuzzy membership function with neighbourhood search techniques: a comparative study. Proceedings of the 3rd IEEE International Conference on Intelligent Engineering Systems, 1999. p. 337–42.