Andrew S. Lan, Andrew E. Waters, Christoph Studer, Richard G. Baraniuk. Sparse factor analysis for learning and content analytics. Journal of Machine Learning Research, 15(1):1959-2008, 2014. [doi]
@article{LanWSB14,
title = {Sparse factor analysis for learning and content analytics},
author = {Andrew S. Lan and Andrew E. Waters and Christoph Studer and Richard G. Baraniuk},
year = {2014},
url = {http://dl.acm.org/citation.cfm?id=2670314},
researchr = {https://researchr.org/publication/LanWSB14},
cites = {0},
citedby = {0},
journal = {Journal of Machine Learning Research},
volume = {15},
number = {1},
pages = {1959-2008},
}