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#Vector Search

1 posts tagged "vector search"

ChatPDF RAG 優化(一):語意切塊與混合檢索 Semantic Chunking + Hybrid Retrieval

RAG 的成敗,八成決定在「切塊」與「檢索」這兩步。本篇拆解 chatPDF 如何從寫死的固定切塊,升級成 embedding 偵測語意轉折的 Semantic Chunking,以及如何把 dense 向量檢索與 BM25 關鍵字檢索融合成 Hybrid Retrieval——附完整 Python 實作與設計取捨。

Jun 30, 2026 ·16 min

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