Katja Niemann, Martin Wolpers, Giannis Stoitsis, Georgios Chinis, Nikos Manouselis. Aggregating social and usage datasets for learning analytics: data-oriented challenges. In Dan Suthers, Katrien Verbert, editors, Third Conference on Learning Analytics and Knowledge, LAK '13, Leuven, Belgium, April 8-12, 2013. pages 245-249, ACM, 2013. [doi]
Abstract is missing.