Query Transformation

Step-back prompting in retrieval: what is it and when does it pay off?

In a chat, 'what about its pricing?' returns junk from retrieval — diagnose the failure and fix it

Multi-query versus decomposition: how do these query transforms raise recall on hard questions?

Your dense retriever performs poorly on terse user queries against prose heavy docs. How does HyDE (Hypothetical Document Embeddings) help, and via what mechanism?