The retrieval architecture chooses among multiple strategies instead of collapsing every question into a similarity lookup so that query handling can adapt to different information needs.

Retrieval chooses among multiple strategies instead of collapsing every question into a similarity lookup.

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

That leads to a different kind of architecture.

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

A conventional retrieval layer may return a mix

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf