H. Holzmann, W. Nejdl, and A. Anand. Proceedings of the 2017 ACM on Web Science Conference, WebSci 2017, Troy, NY, USA, June 25 - 28, 2017, page 289--298. (2017)
H. Holzmann, W. Nejdl, and A. Anand. Proceedings of the 16th ACM/IEEE-CS on Joint Conference on Digital Libraries, page 73--82. New York, NY, USA, ACM, (2016)
H. Holzmann, W. Nejdl, and A. Anand. Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval, page 929--932. New York, NY, USA, ACM, (2016)