Alimama Tech
Apr 27, 2022 · Artificial Intelligence
DEFUSE and Bi-DEFUSE: Unbiased Delayed‑Feedback Modeling for CVR Prediction
The paper introduces DEFUSE and its multi‑task extension Bi‑DEFUSE, unbiased delayed‑feedback CVR models that correct label bias via rigorous importance‑sampling and a latent fake‑negative variable, achieving superior offline performance and a 2 % CVR lift in online deployment compared with existing industry baselines.
Bi-DEFUSECVRDEFUSE
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