Teshima, Takeshi, Miao Xu, Issei Sato, and Masashi Sugiyama. 2019. “Clipped Matrix Completion: A Remedy for Ceiling Effects”. Proceedings of the AAAI Conference on Artificial Intelligence 33 (01):5151-58. https://doi.org/10.1609/aaai.v33i01.33015151.