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Open access
Nov 2026
ELBOTDS: Temporal Distribution Shift Generalization for Industry-Scale Recommender Systems
Temporal distribution shift (TDS) degrades the generalization of recommender systems: models trained on past interactions face systematically different user behavior in future time windows. While incremental training on recent data is widely used in industry production, it can over-adapt to transient patterns and exace...
Yuxuan Zhu, Cong Fu, Ya-Bo Ni et al.
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