Querying Our Data, Part 1 – Context Retrieval
The focus of this chapter will be on understanding the querying capabilities of LlamaIndex in an RAG workflow. We’ll be covering the overall working of the querying system, mostly focusing on the retrieval capabilities of the framework.
Here are the main sections that will be covered in this chapter:
- Learning about query mechanics – an overview
- Understanding the basic retrievers
- Building more advanced retrieval mechanisms
- Increasing efficiency with asynchronous retrieval
- Working with metadata filters, tools, and selectors
- Transforming queries and generating sub-queries
- Understanding the concepts of dense and sparse retrieval