Retriever Modules

We are actively adding more tailored retrieval guides. In the meanwhile, please take a look at the API References.

Index Retrievers

Please see the retriever modes for more details on how to get a retriever from any given index.

If you want to import the corresponding retrievers directly, please check out our API reference.

Advanced Retriever Guides

Check out our comprehensive guides on various retriever modules, many of which cover advanced concepts (auto-retrieval, routing, ensembling, and more).

Examples

• Define Custom Retriever
• BM25 Hybrid Retriever
• Simple Fusion Retriever
• Reciprocal Rerank Fusion Retriever

Knowledge Graph Retrievers

• Custom Retriever (KG Index and Vector Store Index)
• Knowledge Graph RAG Retriever

Composed Retrievers

• Simple Fusion Retriever
• Reciprocal Rerank Fusion Retriever
• Auto-Retrieval (with Chroma)
• Auto-Retrieval (with BagelDB)
• Recursive Retriever + Query Engine Demo
• Router Retriever
• Ensemble Retrieval Guide
• Auto Merging Retriever
• Recursive Retriever + Node References
• Recursive Retriever + Node References + Braintrust
• Metadata Replacement + Node Sentence Window
• Text-to-SQL Guide (Query Engine + Retriever)
• DeepMemory (Activeloop)