The Teacher-Student Chatroom Corpus version 2: more lessons, new annotation, automatic detection of sequence shifts Andrew Caines author Helen Yannakoudakis author Helen Allen author Pascual Pérez-Paredes author Bill Byrne author Paula Buttery author 2022-12 text Proceedings of the 11th Workshop on NLP for Computer Assisted Language Learning David Alfter editor Elena Volodina editor Thomas François editor Piet Desmet editor Frederik Cornillie editor Arne Jönsson editor Evelina Rennes editor LiU Electronic Press Louvain-la-Neuve, Belgium conference publication caines-etal-2022-teacher https://aclanthology.org/2022.nlp4call-1.3/ 2022-12 23 35