2 papers
cs.IR2026
Joint Optimization of Relevance and Engagement in Multi-Task Ranking for E-Commerce with Efficient LLM Supervision
Luming Chen, Jiaqi Xi, Raghav Saboo +7
Optimizing industrial search ranking models solely for user engagement signals often introduces systematic biases, prioritizing popular or price-anchored items that may not satisfy…
cs.IR2026
Mine and Refine: Optimizing Graded Relevance in E-commerce Search Retrieval
Jiaqi Xi, Raghav Saboo, Luming Chen +2
We propose a two-stage "Mine and Refine" contrastive training framework for semantic text embeddings to enhance multi-category e-commerce search retrieval. Large scale e-commerce s…