Discover LlamaIndex: Bottoms-Up Development with LLMs (Part 5, Retrievers + Node Postprocessors)

In this video, we cover some core concepts around retrieval / reranking:
- Node Parsing and Retrievers, specifically the AutoMergingRetriever and HierarchicalNodeParser
- Node post-processors and custom node-postprocessing
- Reviewing setting up a RouterQueryEngine

The full code is available in the llama_docs_bot folder in the following repo: https://github.com/run-llama/llama_docs_bot

concepts core development llamaindex llms node parsing part processors retrieval video