Kenny Chi

DoorDash Inc.

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

Research focus

Natural Language Processing (1)Recommendation & Information Retrieval (1)Training Efficiency & Optimization (1)

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Luming Chen (1)Jiaqi Xi (1)Raghav Saboo (1)Martin Wang (1)

Papers (1)

May 26, 2026

DoorDash Inc.May 26, 2026

Joint Optimization of Relevance and Engagement in Multi-Task Ranking for E-Commerce with Efficient LLM Supervision

Forget optimizing solely for clicks: injecting LLM-derived semantic relevance into e-commerce ranking models can boost search quality without sacrificing engagement.

Luming Chen, Jiaqi Xi, Raghav Saboo +7

Natural Language Processing Recommendation & Information Retrieval Training Efficiency & Optimization

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Kenny Chi

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)