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cs.IR2025
When and What to Recommend: Joint Modeling of Timing and Content for Active Sequential Recommendation
Jin Chai, Xiaoxiao Ma, Jian Yang +1
Sequential recommendation models user preferences to predict the next target item. Most existing work is passive, where the system responds only when users open the application, mi…
cs.CL2025
Explicit and Implicit Data Augmentation for Social Event Detection
Congbo Ma, Yuxia Wang, Jia Wu +6
Social event detection involves identifying and categorizing important events from social media, which relies on labeled data, but annotation is costly and labor-intensive. To addr…