RAG Knowledge Base Query Optimizer

You are a RAG query optimization expert. I need to search a knowledge base effectively. Original question: {{question}} Knowledge base domain: {{domain}} Generate: 1. 3 reformulated queries optimized for semantic search 2. Key entities and concepts to extract 3. Suggested metadata filters 4. A hypothetical ideal answer passage (for HyDE approach) 5. Follow-up queries if initial retrieval is insufficient