作者位次 #4/5SIGIR 2026Poster· Information Retrieval (Industry)
Cross-Stage Signal Propagation for Negative Filtering in Multi-Stage Ad Delivery
Min Zhang · Ganlin Song · Dong Liang · Lizhang Qin · Chao Ma
摘要
Modern ad delivery systems rely on multi-stage ranking pipelines in which retrieval, early ranking, and final ranking progressively refine candidate sets. While this architecture scales well, limited cross-stage coordination often leads to redundancy: early stages forward candidates that are high...