W. Nejdl. Proceedings of the 18th International Conference on Web Information Systems and Technologies, WEBIST 2022, Valletta, Malta, October 25-27, 2022, page 11. SCITEPRESS, (2022)
K. Vo, T. Tran, T. Nguyen, X. Zhu, and W. Nejdl. Proceedings of the 8th ACM Conference on Web Science, WebSci 2016, Hannover, Germany, May 22-25, 2016, page 173--182. (2016)