| 2009 | SMC | A Multi-inner-world Genetic Algorithm using Multiple Heuristics to Optimize Delivery Schedule. | Yoshitaka Sakurai, Setsuo Tsuruta, Takashi Onoyama, Sen Kubota |
| 2006 | ETFA | GA Applied VRP Solving method for a Cooperative Logistics Network. | Takashi Onoyama, Takuya Maekawa, Sen Kubota, Norihisa Komoda |
| 2006 | IRI | Selfish-gene tolerant generic algorithms to solve large-scale constraint TSPs. | Yoshitaka Sakurai, Takashi Onoyama, Sen Kubota, Yoshihiro Nakamura, Setsuo Tsuruta |
| 2006 | IRI | A multi-world intelligent genetic algorithm to interactively optimize large-scale TSP. | Yoshitaka Sakurai, Takashi Onoyama, Sen Kubota, Yoshihiro Nakamura, Setsuo Tsuruta |
| 2003 | SMC | Constraint pre-checking and gene build-in delaying GA for optimizing large-scale distribution networks. | Takashi Onoyama, Sen Kubota, Yoshio Taniguchi, Setsuo Tsuruta |
| 2002 | FlAIRS | Proposal and Evaluation of "Selfish-Gene with Limited Allowance" Type GA for Solving Constraint TSP. | Takashi Onoyama, Sen Kubota, Yoshio Taniguchi, Setsuo Tsuruta |
| 2001 | FlAIRS | Knowledge-Embedded Multi-Stage Genetic Algorithm for Interactively Optimizing a Large-Scale Distribution Network. | Takashi Onoyama, Sen Kubota, Kazuko Oyanagi, Setsuo Tsuruta |
| 2000 | FlAIRS | Validation Method for Intelligent Systems. | Setsuo Tsuruta, Takashi Onoyama, Sen Kubota, Kazuko Oyanagi |
| 2000 | SMC | A method for solving nested combinatorial optimization problems - a case of optimizing a large-scale distribution network. | Takashi Onoyama, Sen Kubota, Kazuko Oyanagi, Setsuo Tsuruta |