Shunya Takano, Osamu Ichikawa. Automatic scoring of short answers using justification cues estimated by BERT. Proceedings of 17th Workshop on Innovative Use of NLP for Building Educational Applications (BEA 2022). 2022. 8-13
Osamu Ichikawa, Yuuto Shima, Takahiro Nakayama, Hajime Shirouzu. A Method for Estimating the Grouping of Participants in Classroom Group Work Using Only Audio Information. Proceeding of 2022 IEEE International Conference on Acoustics, Speech and Signal Processing. 2022. 216-220
Osamu Ichikawa, Kaito Nakano, Takahiro Nakayama, Hajime Shirouzu. Multi-Channel VAD for Transcription of Group Discussion. Proceedings of Interspeech 2021. 2021. 2020. 336-340