Hysen LabsPageIndex
PageIndex: Document Index for Vectorless, Reasoning-based RAG. Inspired by AlphaGo, we propose **PageIndex**, a **vectorless**, **reasoning-based RAG** system that builds a **hierarchical tree index** from long documents, and uses LLMs to **reason** *over that index* for **agentic, context-aware retrieval**.
What it solves
PageIndex: Document Index for Vectorless, Reasoning-based RAG. Inspired by AlphaGo, we propose **PageIndex**, a **vectorless**, **reasoning-based RAG** system that builds a **hierarchical tree index** from long documents, and uses LLMs to **reason** *over that index* for **agentic, context-aware retrieval**.
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