@inproceedings{Kae16a,
 author = {K\"{a}ser, Tanja and Klingler, Severin and Gross, Markus},
 title = {When to Stop?: Towards Universal Instructional Policies},
 booktitle = {Proceedings of the Sixth International Conference on Learning Analytics \& Knowledge},
 year = {2016},
 pages = {289--298}
}