H. Zahera, R. Jalota, und R. Usbeck. Proceedings of the Twenty-Seventh Text REtrieval Conference, TREC
2018, Gaithersburg, Maryland, USA, November 14-16, 2018, (2018)
D. Tarasowa, A. Khalili, S. Auer, und J. Unbehauen. 5th International Conference on Computer Supported Education (CSEDU 2013 ), Seite 33-42. (2013)13% acceptance rate, nominated for the best-paper award..