Meituan Technology Team

Dec 2, 2021 · Artificial Intelligence

Pretraining Techniques for Search Advertising Relevance at Meituan

Meituan improves search‑ad relevance by applying pre‑trained BERT models enhanced with data‑augmented samples, multi‑task learning, keyword extraction and two‑stage knowledge distillation, producing a lightweight distilled model that, when fused with traditional relevance signals, boosts CTR, lowers Badcase@5 and raises NDCG while preserving revenue.