A persistent structural problem in mainstream RAG deployments is the absence of a closed learning loop, because the corpus does not systematically learn from useful results, failures, contradictions, or knowledge gaps.

No closed learning loop.

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

The corpus does not learn systematically

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

from what was useful, what failed, what was contradicted, or where knowledge gaps exist.

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf