D. Dimitrov, P. Singer, F. Lemmerich, and M. Strohmaier. International Conference on World Wide Web, page 917--926. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2017)
P. Singer, D. Helic, A. Hotho, and M. Strohmaier. Proceedings of the 24th International Conference on World Wide Web, page 1003--1013. New York, NY, USA, ACM, (2015)