Alimama Tech
Jun 28, 2023 · Artificial Intelligence
Historical Data Reuse for Precise CVR Prediction during E‑commerce Promotions
Alibaba’s Advertising Ranking team introduced the Historical Data Reuse (HDR) algorithm, which automatically selects similar past promotion days, fine‑tunes the production CVR model with a TransBlock layer and distribution‑correction weighting, delivering up to 10 % AUC gains and double‑digit RPM, CVR, and ROI improvements during the 2022 Double‑11 event and offering a reusable solution for other domains facing abrupt user‑behavior shifts.
advertisingconversion rate predictiondistribution shift
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