Auto-Merging RAG: Hierarchical Retrieval ⛓️

Short summary

Auto-merging hierarchical retrieval solves RAG context fragmentation by organizing chunks into parent-child trees and merging related children into parent contexts before LLM processing. Includes medical protocol example and complete LangChain implementation.

• •Prevents incomplete context by tracking parent-child chunk relationships across large documents
• •Auto-merge logic returns full parent chunks when multiple related children are retrieved
• •Full Python implementation using LangChain, Chroma vector store, and HuggingFace embeddings

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