Author

Xian-Jie Chen

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Preprint Aug 2026

UniDot: A Unified Network for Sequence Modeling and Feature Interaction in Large-scale Recommendation

UniDot is a novel architecture for post-click conversion prediction built from the factorization-machine (FM) point of view: the embedding inner product---which powers collaborative filtering and lets a recommender generalize to unseen user--item pairs---is the same primitive as attention's query dot key scoring, so a...

Rongcheng Lin, Yan Sun, Jamey Zhang et al. · 1 citation

Jul 2026

SlimPer: Make Personalization Model Slim and Smart

SlimPer unifies sparse, dense, and sequence features within a single backbone and provides inherent interpretability through its attention mechanism, which yields measurable improvements in user engagement while streamlining the overall system and enabling effective modeling of 10k+ fine-grained user history events.

Siqi Wang, Xian-Jie Chen, Shaofen Deng et al. · arXiv.org · 1 citation