Tencent Advertising Technology

Sep 30, 2026 · Artificial Intelligence

QueryFormer: Winning KDD Cup 2026 with Cross-Attention Query Generation

This article details QueryFormer, the winning solution for KDD Cup 2026 Tencent UniRec Challenge, which introduces a cross-attention query generation mechanism to unify feature interaction and behavior sequence modeling, achieving 0.83254 AUC on the official test set.