@article{Tabibianetal18, title = {Enhancing Human Learning via Spaced Repetition Optimization}, author = {Tabibian, B. and Upadhyay, U. and De, A. and Zarezade, A. and Sch{\"o}lkopf, B. and Gomez Rodriguez, M.}, journal = {Proceedings of the National Academy of Sciences}, volume = {116}, number = {10}, pages = {3988--3993}, publisher = {National Academy of Sciences}, year = {2019}, doi = {10.1073/pnas.1815156116}, url = {https://www.pnas.org/content/116/10/3988} }