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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
Exercise answers
- Answer: Compare single-shot, grep-only and full agentic retrieval
- Answer: Build scoped matter tools with the Agent SDK (stretch)
7Knowledge graphs and GraphRAG
8Long context versus RAG

CapstoneA measured retrieval service for cases and reference documents Reference implementation

Answers Lesson 6: Agentic retrieval

Step-by-step answer

Stretch 90 min6 steps

Build scoped matter tools with the Agent SDK (stretch)

Back to the exercise

Previous answerCompare single-shot, grep-only and full agentic retrieval Next answer Build a graph from verified records, and compare with an LLM-extracted one

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