Kendra M. L. Cooper, Hassan Khosravi. Graph-based visual topic dependency models: supporting assessment design and delivery at scale. In Abelardo Pardo, Kathryn Bartimote-Aufflick, Grace Lynch, Simon Buckingham Shum, Rebecca Ferguson, Agathe Merceron, Xavier Ochoa, editors, Proceedings of the 8th International Conference on Learning Analytics and Knowledge, LAK 2018, Sydney, NSW, Australia, March 07-09, 2018. pages 11-15, ACM, 2018. [doi]