GeoRAG recasts RAG context selection as monotone submodular Information Demand Coverage Optimization solved via Sinkhorn-Wasserstein distance, delivering +6.5 to +7.5 EM gains over top-k on six QA benchmarks.
OptiSet: Unified Optimizing Set Selection and Ranking for Retrieval-Augmented Generation,
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Covering the Unseen: Information Demand Coverage Optimization for Retrieval-Augmented Generation
GeoRAG recasts RAG context selection as monotone submodular Information Demand Coverage Optimization solved via Sinkhorn-Wasserstein distance, delivering +6.5 to +7.5 EM gains over top-k on six QA benchmarks.