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cs.IR2025
R2MED: A Benchmark for Reasoning-Driven Medical Retrieval
Xiangxu Zhang, Lei Li, Xiao Zhou +1
Current medical retrieval benchmarks primarily emphasize lexical or shallow semantic similarity, overlooking the reasoning-intensive demands that are central to clinical decision-m…
cs.IR2025
Leave No One Behind: Enhancing Diversity While Maintaining Accuracy in Social Recommendation
Lei Li, Xiao Zhou
Social recommendation, which incorporates social connections into recommender systems, has proven effective in improving recommendation accuracy. However, beyond accuracy, diversit…
cs.IR2024★ 1 cited
AutoMIR: Effective Zero-Shot Medical Information Retrieval without Relevance Labels
Lei Li, Xiangxu Zhang, Xiao Zhou +1
Medical information retrieval (MIR) is essential for retrieving relevant medical knowledge from diverse sources, including electronic health records, scientific literature, and med…