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