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DataFunTalk
DataFunTalk
Dec 7, 2022 · Artificial Intelligence

Entire Space Delayed Feedback with Cross‑Task Knowledge Distillation (ESDC) for Multi‑Task E‑commerce Recommendation

This article presents Xiaomi’s e‑commerce recommendation research, addressing four key challenges—sample selection bias, data sparsity, delayed feedback, and knowledge inconsistency—by introducing the Entire Space Delayed Feedback with Cross‑Task Knowledge Distillation (ESDC) model, which combines causal inference, cross‑task distillation, twin networks, and uncertainty weighting to improve CVR prediction and achieve a 15% GMV lift over the baseline.

AICVRDelayed Feedback
0 likes · 11 min read
Entire Space Delayed Feedback with Cross‑Task Knowledge Distillation (ESDC) for Multi‑Task E‑commerce Recommendation
Alimama Tech
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
0 likes · 25 min read
DEFUSE and Bi-DEFUSE: Unbiased Delayed‑Feedback Modeling for CVR Prediction