D. Tarasowa, A. Khalili, S. Auer, and J. Unbehauen. 5th International Conference on Computer Supported Education (CSEDU 2013 ), page 33-42. (2013)13% acceptance rate, nominated for the best-paper award..
S. Staab, J. Lehmann, und R. Verborgh. Companion Proceedings of the The Web Conference 2018, Seite 885--886. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2018)