Annotating Student Emotional States in Spoken Tutoring Dialogues Diane J Litman author Kate Forbes-Riley author 2004-apr 30 - may 1 text Proceedings of the 5th SIGdial Workshop on Discourse and Dialogue at HLT-NAACL 2004 Association for Computational Linguistics Cambridge, Massachusetts, USA conference publication litman-forbes-riley-2004-annotating https://aclanthology.org/W04-2326/ 2004-apr 30 - may 1 144 153