Retrieval Systems
Production RAG & GraphRAG
Multi-stage retrieval, graph construction, local and global search, evaluation, and operations.
10 chapters · 6-8 hours reading · 4-6 hours labs · 8-12 hours project
Chapters
- 1GraphRAG query classes and system boundariesMental model
- 2Source units, extraction, and claim lineageIndex foundations
- 3Entity resolution and graph constructionIndex construction
- 4Leiden communities and hierarchical reportsGlobal structure
- 5Local search from entities to evidenceEntity-centered retrieval
- 6Global search and map-reduce synthesisCorpus-wide reasoning
- 7Hybrid retrieval and adaptive traversalRetrieval engineering
- 8Context assembly, citations, and abstentionEvidence-to-answer boundary
- 9GraphRAG evaluation by layer and query sliceQuality engineering
- 10Incremental operations, security, and governanceProduction mastery