| 2020 | SMC | Maintaining Population Diversity in Deterministic Geometric Semantic Genetic Programming by ϵ-Lexicase Selection. | Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama |
| 2019 | GECCO | L-SHADE with an adaptive penalty method of balancing the objective value and the constraint violation. | Takeshi Kawachi, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama |
| 2019 | SMC | Time Series Prediction Using Deterministic Geometric Semantic Genetic Programming. | Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama |
| 2018 | SMC | Artificial Bee Colony Programming Using Semantic Control Crossover. | Akira Hara, Jun-ichi Kushida, Ryota Takemoto, Tetsuyuki Takahama |
| 2018 | SMC | Cartesian Genetic Programming with Module Mutation for Symbolic Regression. | Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama |
| 2017 | CEC | Landscape estimation of decision-tree induction based on grammatical Evolution using rank correlation. | Keiko Ono, Jun-ichi Kushida |
| 2017 | SMC | The influence of generation alternation model on search performance in deterministic geometric semantic genetic programming. | Akira Hara, Jun-ichi Kushida, Takamichi Yamagata, Tetsuyuki Takahama |
| 2017 | SNPD | A fundamental study on adaptive surrogate-assisted evolutionary computation using rank correlation. | Yudai Kuwahata, Jun-ichi Kushida, Satoshi Ono |
| 2016 | SMC | Deterministic Geometric Semantic Genetic Programming with Optimal Mate Selection. | Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama |
| 2015 | CEC | Rank-based differential evolution with multiple mutation strategies for large scale global optimization. | Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama |
| 2015 | SMC | Genetic Programming Using the Best Individuals of Genealogies for Maintaining Population Diversity. | Akira Hara, Takuya Mototsuka, Jun-ichi Kushida, Tetsuyuki Takahama |
| 2014 | SMC | Rank-based Semantic Control Crossover in Genetic Programming. | Akira Hara, Jun-ichi Kushida, Takeyuki Nobuta, Tetsuyuki Takahama |
| 2013 | SMC | Neuroevolution by Particle Swarm Optimization with Adaptive Input Selection for Controlling Platform-Game Agent. | Akira Hara, Jun-ichi Kushida, Koji Kitao, Tetsuyuki Takahama |