Meituan Technology Team

Sep 24, 2020 · Artificial Intelligence

Meituan Search Ads Team's Solution for KDD Cup 2020 Multimodalities Recall Track

Meituan’s Search Ads team placed third in the KDD Cup 2020 Multimodalities Recall track by tackling training‑test distribution mismatch with diversified negative sampling and distillation learning, and improving text‑image matching via gated fully‑connected layers, bidirectional attention, and diversified fusion, then ensembling neural and tree models for strong NDCG gains later applied to their ad creative‑selection system.