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Coders In Hoods

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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
Exercise answers
- Answer: Build and run a labelled query set
- Answer: Verify citations end to end (stretch)

2 · Retrieval that reasons

5Hybrid search and reranking
6Agentic retrieval
7Knowledge graphs and GraphRAG
8Long context versus RAG

CapstoneA measured retrieval service for cases and reference documents Reference implementation

Answers Lesson 4: Measuring retrieval

Step-by-step answer

Core 90–120 min7 steps

Build and run a labelled query set

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Previous answerRed-team tenant isolation (stretch)Next answer Verify citations end to end (stretch)

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