Alimama Tech
Mar 14, 2023 · Artificial Intelligence
Bayesian Hierarchical Calibration for Online Advertising Scoring
Bayesian hierarchical calibration applies a lightweight, interpretable Bayesian GLM with variational inference to correct pre‑ and post‑click scoring biases, using risk‑aware objectives that reduce calibration error by up to 66%, lift revenue by 5%, and cut conversion costs, while handling cold‑start and dimension‑wise sparsity in online advertising.
Hierarchical Modeladvertisingbayesian
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