@inproceedings{,
	author          = {Y. Zhao, D. Davis, G. Chen, C. Lofi, C. Hauff, G.-J. Houben},
	title           = {Certificate Achievement Unlocked: How does MOOC learners behaviour change?},
	booktitle       = {User Modelling, Adaptation and Personalization (UMAP)},
	year            = {2017},
	month           = {09},
	location        = {Bratislava, Slovakia},
	topic           = {Web Engineering},
	group           = {WIS}
}