Joel R. Tetreault, Jill Burstein, Claudia Leacock, Helen Yannakoudakis: Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications, BEA@EMNLP 2017, Copenhagen, Denmark, September 8, 2017. Association for Computational Linguistics 2017, ISBN 978-1-945626-85-2