| 2023 | PACLIC | The Association of Second Language Proficiency with Nonverbal Behaviors. | Katsunori Kotani, Takehiko Yoshimi |
| 2022 | PACLIC | A comparison of the validity of measurement methods of the general English proficiency by dictation and read-aloud performance. | Katsunori Kotani, Takehiko Yoshimi |
| 2017 | ICCE | Word Error Rate as a Listenability Index for Learners of English as a Foreign Language. | Katsunori Kotani, Takehiko Yoshimi |
| 2015 | CogSci | Figurative and Literal Action-Sentence Compatibility Effect in Japanese. | Soichi Kozai, Katsunori Kotani, Markane Sipraseuth |
| 2015 | PACLIC | Design of a Learner Corpus for Listening and Speaking Performance. | Katsunori Kotani, Takehiko Yoshimi |
| 2014 | PACLIC | A Listenability Measuring Method for an Adaptive Computer-assisted Language Learningand Teaching System. | Katsunori Kotani, Shota Ueda, Takehiko Yoshimi, Hiroaki Nanjo |
| 2011 | IJCNLP | Compiling Learner Corpus Data of Linguistic Output and Language Processing in Speaking, Listening, Writing, and Reading. | Katsunori Kotani, Takehiko Yoshimi, Hiroaki Nanjo, Hitoshi Isahara |
| 2011 | PACLIC | Automatic Error Analysis Based on Grammatical Questions. | Tomoki Nagase, Hajime Tsukada, Katsunori Kotani, Nobutoshi Hatanaka, Yoshiyuki Sakamoto |
| 2008 | CICLING | EFL Learner Reading Time Model for Evaluating Reading Proficiency. | Katsunori Kotani, Takehiko Yoshimi, Takeshi Kutsumi, Ichiko Sata, Hitoshi Isahara |
| 2007 | NAACL | Automatic Evaluation of Machine Translation Based on Rate of Accomplishment of Sub-Goals. | Kiyotaka Uchimoto, Katsunori Kotani, Yujie Zhang, Hitoshi Isahara |
| 2007 | PACLIC | Japanese Expressions that Include English Expressions. | Masaki Murata, Toshiyuki Kanamaru, Koichiro Nakamoto, Katsunori Kotani, Hitoshi Isahara |
| 2005 | ECIR | Acquisition of Translation Knowledge of Syntactically Ambiguous Named Entity. | Takeshi Kutsumi, Takehiko Yoshimi, Katsunori Kotani, Ichiko Sata, Hitoshi Isahara |
| 2005 | IJCNLP | Toward a Unified Evaluation Method for Multiple Reading Support Systems: A Reading Speed-based Procedure. | Katsunori Kotani, Takehiko Yoshimi, Takeshi Kutsumi, Ichiko Sata, Hitoshi Isahara |
| 2004 | PACLIC | Integrated Use of Internal and External Evidence in the Alignment of Multi-Word Named Entities. | Takeshi Kutsumi, Takehiko Yoshimi, Katsunori Kotani, Ichiko Sata, Hitoshi Isahara |