作者位次 #2/7SIGIR 2026Poster· Information Retrieval (Industry)
User Activity Modeling under Inflated Distribution
Xiang Li · Zhao-Yu Zhang · Chunyuan Zheng · Qingying Chen · Huiyou Jiang · Haoxuan Li · Zhouchen Lin
摘要
User activity modeling serves as an effective approach to reflect Daily Active Users (DAU) levels by forecasting users' prospective behavioral engagement. In industrial practice, particularly in user active days prediction tasks, the data demonstrates extreme distributional imbalance. Specificall...