Author

Shang-Yu Zhang

2 papers indexed here

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Preprint Sep 2026

ChronicleRec: Pre-training Temporally Anchored Tokens for Lifelong User Modeling

ChronicleRec is a pre-train-and-transfer framework that compresses an ultra-long behavior sequence once into a chronologically ordered set of Chronicle Tokens, which can be cached per user, decoupling ultra-long sequence modeling from online candidate scoring.

Chengkai Huang, Yu-Bin Sheng, Liang Guo et al. · 0 citations

Book Open access Sep 2026

UniTraj: Cross-Domain Long-Sequence Modeling for Commercial Recommendation

Long-sequence modeling is increasingly important in recommender systems for capturing users’ evolving and long-term interests. In advertising, however, user interaction histories are often highly sparse due to limited exposure opportunities, making ad-only behavior sequences insufficient for effective long-sequence rec...

Xian Hu, Ming Yue, Zhi-Xiang Feng et al. · Proceedings of the 20th ACM... · 0 citations