1  ---
 2  title: "Advanced RAG Techniques"
 3  id: advanced-rag-techniques
 4  slug: "/advanced-rag-techniques"
 5  description: ""
 6  ---
 7  
 8  # Advanced RAG Techniques
 9  
10  This section of documentation talks about advanced RAQ techniques you can implement with Haystack.
11  
12  Read more about [Hypothetical Document Embeddings (HyDE)](advanced-rag-techniques/hypothetical-document-embeddings-hyde.mdx),
13  
14  or check out one of our cookbooks 🧑‍🍳:
15  
16  - [Using Hypothetical Document Embedding (HyDE) to Improve Retrieval](https://haystack.deepset.ai/cookbook/using_hyde_for_improved_retrieval)
17  - [Query Decomposition and Reasoning](https://haystack.deepset.ai/cookbook/query_decomposition)
18  - [Improving Retrieval by Embedding Meaningful Metadata](https://haystack.deepset.ai/cookbook/improve-retrieval-by-embedding-metadata)
19  - [Query Expansion](https://haystack.deepset.ai/cookbook/query-expansion)
20  - [Automated Structured Metadata Enrichment](https://haystack.deepset.ai/cookbook/metadata_enrichment)