@inproceedings{freedman-etal-1998-system, title = "System Demonstration Content Planning as the Basis for an Intelligent Tutoring System", author = "Freedman, Reva and Brandle, Stefan and Glass, Michael and Kim, Jung Hee and Zhou, Yujian and Evens, Martha W.", editor = "Hovy, Eduard", booktitle = "Natural Language Generation", month = aug, year = "1998", address = "Niagara-on-the-Lake, Ontario, Canada", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W98-1430/" }