Andrew S. Lan, Christoph Studer, Andrew E. Waters, Richard G. Baraniuk. Tag-Aware Ordinal Sparse Factor Analysis for Learning and Content Analytics. In Sidney K. D'Mello, Rafael A. Calvo, Andrew Olney, editors, Proceedings of the 6th International Conference on Educational Data Mining, Memphis, Tennessee, USA, July 6-9, 2013. pages 90-97, International Educational Data Mining Society, 2013. [doi]
Abstract is missing.