| 2022 | ICPRAM | Computing the Variations of Edit Distance for Rooted Labaled Caterpillars. | Manami Hagihara, Takuya Yoshino, Kouichi Hirata |
| 2020 | ICPRAM | Heavy Caterpillar Distances for Rooted Labeled Unordered Trees. | Nozomi Abe, Takuya Yoshino, Kouichi Hirata |
| 2019 | FedCSIS | Alignment for Rooted Labeled Caterpillars. | Yoshiyuki Ukita, Takuya Yoshino, Kouichi Hirata |
| 2019 | ICPRAM | Vertical and Horizontal Distances to Approximate Edit Distance for Rooted Labeled Caterpillars. | Kohei Muraka, Takuya Yoshino, Kouichi Hirata |
| 2018 | ACIIDS | Path Histogram Distance for Rooted Labeled Caterpillars. | Taiga Kawaguchi, Takuya Yoshino, Kouichi Hirata |
| 2018 | FedCSIS | Computing Edit Distance between Rooted Labeled Caterpillars. | Kohei Muraka, Takuya Yoshino, Kouichi Hirata |
| 2018 | IC3K | LCA Histogram Distance for Rooted Labeled Caterpillars. | Takuya Yoshino, Kohei Muraka, Kouichi Hirata |
| 2018 | ICPRAM | Earth Mover's Distance Between Rooted Labeled Unordered Trees Formulated from Complete Subtrees. | Taiga Kawaguchi, Takuya Yoshino, Kouichi Hirata |
| 2017 | FedCSIS | Anchored Alignment Distance between Rooted Labeled Unordered Trees. | Kouichi Hirata, Takuya Yoshino, Yuma Ishizaka |
| 2015 | ICPRAM | Alignment of Cyclically Ordered Trees. | Takuya Yoshino, Kouichi Hirata |