| 2011 | EMO | Effects of the Existence of Highly Correlated Objectives on the Behavior of MOEA/D. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Hiroyuki Ohyanagi, Yusuke Nojima |
| 2010 | PPSN | Many-Objective Test Problems to Visually Examine the Behavior of Multiobjective Evolution in a Decision Space. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Noritaka Tsukamoto, Yusuke Nojima |
| 2010 | PPSN | How to Choose Solutions for Local Search in Multiobjective Combinatorial Memetic Algorithms. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Yoshihiko Wakamatsu, Yusuke Nojima |
| 2008 | CEC | Scalability of multiobjective genetic local search to many-objective problems: Knapsack problem case studies. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Yusuke Nojima |
| 2008 | GECCO | Effectiveness of scalability improvement attempts on the performance of NSGA-II for many-objective problems. | Hisao Ishibuchi, Noritaka Tsukamoto, Yasuhiro Hitotsuyanagi, Yusuke Nojima |
| 2008 | PPSN | Use of Heuristic Local Search for Single-Objective Optimization in Multiobjective Memetic Algorithms. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Noritaka Tsukamoto, Yusuke Nojima |
| 2007 | CEC | An empirical study on the specification of the local search application probability in multiobjective memetic algorithms. | Hisao Ishibuchi, Yasuhiro Hitotsuyanagi, Yusuke Nojima |