Unverified50% confidenceSolutionExact time
Placing the most relevant chunks at the beginning or end of the prompt rather than arranging them in order of retrieval score often improves generation quality.
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9/29/2026
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Unverified重排模型会对查询和每个候选文档进行更精细的相关性打分，将最相关的文档排在前列，从而提升检索质量71% similarUnverifiedIn the hypergraph setting, the greedy algorithm at each step preferentially selects the sentence node participating in the greatest number of hyperedges, which is equivalent to preferentially selecting the sentence covering the most key topics.71% similarUnverifiedCommon optimization techniques for vector retrieval accuracy include adjusting chunking strategies, using reranking models (Reranker), and hybrid retrieval (keyword + semantic).70% similarUnverifiedReranking is typically implemented using cross-encoders, which concatenate the query and candidate documents before feeding them in together; it usually reranks only the Top-50 to Top-100 candidates and finally selects Top-3 to Top-5 to pass to the generative model.68% similar
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