An Approach for Automatic Learning and Inference by Knowledge Map. - Chang-Kai Hsu; Jyh-Cheng Chang; Maiga Chang; Jihn-Chang J. Jehng; Jia-Sheng Heh (ICCE, 2002)

Nested State-Transition Graph Data Sequencing Model With Hierarchical Taxonomy through Radix Coding. - Jia-Sheng Heh; Shein-Yung Cheng; Chang-Kai Hsu (J. Inf. Sci. Eng., 2005)