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Coders In Hoods

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Retrieval and Knowledge Systems

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1 · Building the index

1Embeddings in practice
2Chunking structured documents
Exercise answers
- Answer: Structure-aware and contextual chunking, measured
- Answer: Try late chunking (stretch)
3Vector indexes and databases
4Measuring retrieval

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 2: Chunking structured documents

Step-by-step answer

Stretch 60 min5 steps

Try late chunking (stretch)

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Previous answerStructure-aware and contextual chunking, measured Next answer Tune an ANN index against a recall target

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