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D. Dimitrov, P. Singer, D. Helic, and M. Strohmaier. Proceedings of the 26th ACM Conference on Hypertext &\#38; Social Media, page 59--68. New York, NY, USA, ACM, (2015)
C. Trattner, D. Helic, P. Singer, and M. Strohmaier. Proceedings of the 12th International Conference on Knowledge Management and Knowledge Technologies, page 14. ACM, (2012)