M. Becker, K. Borchert, M. Hirth, H. Mewes, A. Hotho, und P. Tran-Gia. Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, Seite 10:1--10:8. New York, NY, USA, ACM, (Oktober 2015)
P. Singer, T. Niebler, M. Strohmaier, und A. Hotho. Proceedings of the 22nd international conference on World Wide Web companion, Seite 171--172. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2013)