A 2-stage XGBoost-based model for optimally populating eBay's View-Item page with contextual signals achieved a 0.08% lift in overall Gross Merchandise Bought

we present a 2 stage xgboost based model that optimally populates the VI page with signals. This approach has shown a 0.08% lift in overall GMB (Gross Merchandise Bought)

http://arxiv.org/abs/2608.27366v1