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A technical flowchart illustrating a hybrid retrieval system using dense (vector embeddings) and sparse (BM25) paths, combining results from both via an EnsembleRetriever to yield top-ranked documents.

A technical flowchart illustrating a hybrid retrieval system using dense (vector embeddings) and sparse (BM25) paths, combining results from both via an EnsembleRetriever to yield top-ranked documents.

ๆ นๆฎ่ฟ™ไธช็”ปๆต็จ‹ๅ›พ ็”จๆˆท่พ“ๅ…ฅ Query โ”‚ โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ๅˆ†ๆˆไธคๆกๅนณ่กŒ่ทฏๅพ„ โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ โ”‚ Dense ่ทฏๅพ„ (ๅ‘้‡) Sparse ่ทฏๅพ„ (BM25) โ”‚ โ”‚ ๅŠ ่ฝฝ Chroma (ๅทฒ้ข„ๅญ˜ embedding) ่ฏปๅ–ๅŽŸๅง‹ txt โ†’ clean โ†’ ้‡ๆ–ฐๅˆ‡ๅˆ† chunks โ”‚ โ”‚ Prefixed Embed Query BM25Retriever.from_documents(chunks) โ”‚ โ”‚ Chroma.as_retriever(k=8) bm25_retriever.k = 8 โ”‚ โ”‚ ่ฟ”ๅ›ž Top-8 Documents ่ฟ”ๅ›ž Top-8 Documents โ”‚ โ”‚ โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ ๅˆๅนถ โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜ โ”‚ EnsembleRetriever (weights=[0.4 BM25, 0.6 Dense]) โ”‚ ่ฟ”ๅ›ž่žๅˆๅŽ็š„ Top-8 โ”‚ ๆ˜พ็คบ็ป“ๆžœ Mehr sehen