Zhihu Tech Column
Jun 11, 2025 · Artificial Intelligence
How Minute‑Level Time Decay Boosts User Retention Modeling in Recommendation Systems
This article presents a novel minute‑level future‑reward framework with dual‑delay incentives, activity‑based attribution, multi‑task delayed modeling, and sequential streaming training that dramatically improves user retention prediction accuracy and real‑time performance in large‑scale recommendation platforms.
deep learningmulti‑task modelingreal‑time prediction
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