M. Becker, H. Mewes, A. Hotho, D. Dimitrov, F. Lemmerich, und M. Strohmaier. International Conference Companion on World Wide Web, Seite 17--18. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)
M. Atzmueller, A. Schmidt, und M. Kibanov. Proceedings of the 25th International Conference Companion on World Wide Web, Seite 553--558. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)