1. FML/GFML
2. Fuzzy ontology
(1) C. S. Lee, C-C Jiang, and T. C. Hsieh, "A genetic fuzzy agent using ontology model for meeting scheduling system," (SCI) Information Sciences, vol. 176, no. 9, pp. 1131-1155, May 2006.
(2) C. S. Lee, S. M. Guo, and C. Y Hsu, "Genetic-based fuzzy image filter and its application to image processing," (SCI) IEEE Transactions on Systems, Man and Cybernetics Part B: Cybernetics, vol. 35, no. 4, pp. 694-711, Aug. 2005.
(3) S. M. Guo, C. S. Lee, and C. Y Hsu, "An intelligent image agent based on soft-computing techniques for color image processing," (SCI) Expert Systems with Applications, vol. 28, no. 3, pp. 483-494, Apr. 2005.
(4) C. S. Lee and C. Y Pan, "An intelligent fuzzy agent for meeting scheduling decision support system," (SCI) Fuzzy Sets and Systems, vol. 142, no. 3, pp. 467-488, Mar. 2004.