Balancing Trial and Reorder: A Hybrid Sequential Transformer-GBDT Ranker for On-Demand Delivery
Universal Venue Ranker is presented, a production system deployed at Wolt that pairs a bidirectional transformer encoder for sequential user modeling with a GBDT ranker integrating contextual, user, and store features and validated in three consecutive A/B tests.
Marcel Kurovski, Attila Nagy, Steffen Klempau et al.
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