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semi-structured knowledge bases

otheractiveprovisionalsemi-structured-knowledge-bases-d09e9135·1 events·first seen 18d ago

Aliases: semi-structured knowledge bases

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5arXiv · cs.CL·18d ago·source ↗

GRASP: Plan-Guided Graph Retrieval with Adaptive Fusion and Reranking on Semi-Structured Knowledge Bases

GRASP is a three-stage retrieval framework for semi-structured knowledge bases (SKBs) that combines plan-based graph retrieval, plan-conditioned dense retrieval fusion, and a fine-tuned reranker. It targets applications like product search, academic search, and precision medicine over typed entity-relation graphs. Evaluated on the STaRK benchmarks, GRASP advances average Hit@1 from 62.0 to 73.9, representing a substantial improvement over prior hybrid retrieval systems. Ablation studies confirm the contribution of each component.