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Course overview

Retrieval and Knowledge Systems

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1 · Building the index

1Embeddings in practice
2Chunking structured documents
3Vector indexes and databases
4Measuring retrieval

2 · Retrieval that reasons

5Hybrid search and reranking
6Agentic retrieval
7Knowledge graphs and GraphRAG
Exercise answers
- Answer: Build a graph from verified records, and compare with an LLM-extracted one
- Answer: Trial GraphRAG on a global question (stretch)
8Long context versus RAG

CapstoneA measured retrieval service for cases and reference documents Reference implementation

Answers Lesson 7: Knowledge graphs and GraphRAG

Step-by-step answer

Stretch 2–3 hours7 steps

Trial GraphRAG on a global question (stretch)

Back to the exercise

Previous answerBuild a graph from verified records, and compare with an LLM-extracted one Next answer Compare long context, RAG and a router on your questions

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