Improving Classroom Dialogue Act Recognition from Limited Labeled Data with Self-Supervised Contrastive Learning Classifiers Vikram Kumaran author Jonathan Rowe author Bradford Mott author Snigdha Chaturvedi author James Lester author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication kumaran-etal-2023-improving 10.18653/v1/2023.findings-acl.698 https://aclanthology.org/2023.findings-acl.698/ 2023-07 10978 10992