large-scale advertising

DataFunTalk

Jun 14, 2021 · Artificial Intelligence

From Massive to Compact: Model Compression Strategies for Large‑Scale CTR Prediction in Alibaba Search Advertising

This article describes how Alibaba's search advertising team transformed trillion‑parameter CTR models into lightweight, high‑precision systems by compressing embedding layers through feature‑space reduction, dimension quantization, and multi‑hash techniques, while also introducing graph‑based pre‑training and dropout‑driven feature selection to maintain accuracy.