下村 隆夫, 池田 建司, Adriano Montanaro. Distribution and Sharing of E-Learning Courseware by Weighted Keywords. International Journal of Information and Education Technology (IJIET). 2014. Vol.5. No.9. 698-703
Design of Robust I-PD Controller based on Multiobjective Genetic Algorithm with Local Search Techniques. Proc. of Nonlinear Theory and its Applications. 2002