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Production Deep Dives · D3

Retrieval & RAG

Semantic and lexical retrieval, hybrid search, GraphRAG, reranking, freshness, grounding, and evaluation.

Use this path when answers must depend on changing or private knowledge.4 sessions

What You’ll Be Able to Do

  1. 01Design chunking and embedding strategies for the retrieval job
  2. 02Combine lexical and dense retrieval with fusion and reranking
  3. 03Choose baseline semantic, hybrid, or graph-backed retrieval based on the question shape
  4. 04Measure recall, freshness, grounding, and citation quality separately

Lessons

  1. 01Chunking, Embeddings & Bi-Encoder Vector Search
  2. 02Hybrid Search, RRF Fusion & Cross-Encoder Reranking
  3. 03Semantic RAG, Hybrid Retrieval, and GraphRAG
  4. 04Retrieval Metrics, Index Freshness & Grounding Quality
  5. GateModule Gate: RAG & RetrievalAssessment