Polygloss - A conversational agent for language practice Etiene da Cruz Dalcol author Massimo Poesio author 2020-11 text Proceedings of the 9th Workshop on NLP for Computer Assisted Language Learning David Alfter editor Elena Volodina editor Ildikó Pilan editor Herbert Lange editor Lars Borin editor LiU Electronic Press Gothenburg, Sweden conference publication da-cruz-dalcol-poesio-2020-polygloss https://aclanthology.org/2020.nlp4call-1.3/ 2020-11 21 36