SproutRAG: Attention-Guided Tree Search with Progressive Embeddings for Long-Document RAG
Introduces a framework organizing sentence chunks into a binary tree for multi-granularity retrieval without external LLMs.
š arxiv.org/abs/2606.18381
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Retrieval-augmented generation (RAG) systems must balance retrieval granularity with contextual coherence, a challenge that existing methods address through LLM-guided chunking, single-level context e...