H. Holzmann, W. Nejdl, и A. Anand. Proceedings of the 2017 ACM on Web Science Conference, WebSci 2017, Troy, NY, USA, June 25 - 28, 2017, стр. 289--298. (2017)
H. Holzmann, W. Nejdl, и A. Anand. Proceedings of the 16th ACM/IEEE-CS on Joint Conference on Digital Libraries, стр. 73--82. New York, NY, USA, ACM, (2016)
H. Holzmann, V. Goel, и A. Anand. Proceedings of the 16th ACM/IEEE-CS on Joint Conference on Digital Libraries, стр. 83--92. New York, NY, USA, ACM, (2016)
H. Holzmann, W. Sperber, и M. Runnwerth. 20th International Conference on Theory and Practice of Digital Libraries, TPDL 2016, Hannover, Germany, September 5–9, 2016, Proceedings, стр. 215-226. (сентября 2016)
H. Holzmann, W. Nejdl, и A. Anand. Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval, стр. 929--932. New York, NY, USA, ACM, (2016)
H. Holzmann, и A. Anand. Proceedings of the 25th International Conference Companion on World Wide Web, стр. 207--210. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)
H. Holzmann, и T. Risse. Proceedings of the 14th ACM/IEEE-CS Joint Conference on Digital Libraries, стр. 413--414. Piscataway, NJ, USA, IEEE Press, (2014)
H. Holzmann, и T. Risse. Web Information Systems Engineering – WISE 2014, том 8787 из Lecture Notes in Computer Science, Springer International Publishing, (2014)
N. Tahmasebi, G. Gossen, N. Kanhabua, H. Holzmann, и T. Risse. Proceedings of the 24th International Conference on Computational Linguistics (Coling 2012), Mumbai, India, Coling 2012 Organizing Committee, (декабря 2012)
H. Holzmann, G. Gossen, и N. Tahmasebi. Proceedings of the 24th International Conference on Computational Linguistics (Coling 2012), Mumbai, India, Coling 2012 Organizing Committee, (декабря 2012)
H. Holzmann, N. Tahmasebi, и T. Risse. Proc. of 3rd International Workshop on Semantic Digital Archives, том 1091 из CEUR Workshop Proceedings, стр. 28-39. CEUR-WS.org, (2013)