Margaris, Dionisis, and Costas Vassilakis. “Using Time Clusters for Following Users’ Shifts in Rating Practices”. Complex Systems Informatics and Modeling Quarterly, no. 13 (January 5, 2018): 22–42. Accessed March 7, 2026. https://csimq-journals.rtu.lv/csimq/article/view/csimq.2017-13.02.