Hybrid RAG Needs More Than One Way to Find Context.

This is a research-oriented exploration. It documents a line of thinking, not a claim of a deployed production system.

Different questions leave different trails

Keyword overlap, semantic similarity, and explicit relationships can surface different kinds of evidence. A retrieval design becomes more useful when it acknowledges that difference instead of treating one ranking method as universal.

QUERY → [DENSE] + [SPARSE] + [TRACEABILITY] → FUSION → CONTEXT