一作SIGIR 2026Poster· Information Retrieval (Industry)
Unified Supervision for Walmart's Sponsored Search Retrieval via Joint Semantic Relevance and Behavioral Engagement Modeling
Shasvat Desai · Md Omar Faruk Rokon · Jhalak Nilesh Acharya · Isha Shah · Hong Yao · Utkarsh Porwal · Kuang-Chih Lee
摘要
Modern search systems rely on a fast first-stage retriever to fetch relevant items from a massive catalog of items. Deployed search systems often use user engagement signals (clicks, etc.) to supervise bi-encoder retriever training at scale, because these signals are continuously logged from real...