HybridRetrieval on SiBloghttps://sinimite.work/en/tags/hybridretrieval/Recent content in HybridRetrieval on SiBlogSiBloghttps://sinimite.work/images/og-default.svg?v=20260525-210321https://sinimite.work/images/og-default.svg?v=20260525-210321Hugo -- 0.156.0en-USWed, 29 Jul 2026 00:00:00 +0900How to Rerank RAG Retrieval Results: From Hybrid Retrieval to Cross-Encoders, Listwise Ranking, and Evidence-Set Selectionhttps://sinimite.work/en/posts/rag-reranking-best-practices-2026/Wed, 29 Jul 2026 00:00:00 +0900https://sinimite.work/en/posts/rag-reranking-best-practices-2026/A systematic guide to RRF, Cross-Encoders, Pairwise and Listwise ranking, Late Interaction, Learning-to-Rank, MMR, and Set-wise Selection, including how to balance candidate recall, quality, latency, cost, and Token Budget in a production RAG rerank module.RAG Retrieval Engineering: From Hybrid Retrieval to Production Governancehttps://sinimite.work/en/posts/rag-retrieval-engineering-guide/Fri, 17 Jul 2026 15:40:44 +0900https://sinimite.work/en/posts/rag-retrieval-engineering-guide/A technical report on designing and implementing the RAG retrieval layer, covering BM25, embeddings, ANN, RRF, reranking, query understanding, access control, evaluation, and deployment practices.The Role of RRF in RAG: A Simple but Not Universal Retrieval-Fusion Methodhttps://sinimite.work/en/posts/rag-rrf-retrieval-fusion/Wed, 15 Jul 2026 17:37:44 +0900https://sinimite.work/en/posts/rag-rrf-retrieval-fusion/A technical reference on the principles of Reciprocal Rank Fusion, its place in the retrieval pipeline, fusion choices, and production evaluation.Dense + Sparse Hybrid Search in RAGhttps://sinimite.work/en/posts/rag-dense-sparse-hybrid-search/Wed, 15 Jul 2026 17:25:30 +0900https://sinimite.work/en/posts/rag-dense-sparse-hybrid-search/A technical reference on Dense + Sparse Hybrid Search, including its principles, fusion methods, suitable use cases, and evaluation approach.A Guide to Building Enterprise RAG Systemshttps://sinimite.work/en/posts/enterprise-rag-system-building-guide/Wed, 15 Jul 2026 16:35:23 +0900https://sinimite.work/en/posts/enterprise-rag-system-building-guide/An introduction to the architecture of enterprise RAG data ingestion, hybrid retrieval, access control, generation, evaluation, and observability.What AI Engineers Should Learn in 2026https://sinimite.work/en/posts/ai-engineer-skill-value-map-2026/Sun, 03 May 2026 20:09:15 +0900https://sinimite.work/en/posts/ai-engineer-skill-value-map-2026/A skill value map for engineers moving into AI application engineering, explaining how the value of basic RAG, prompt engineering, and framework APIs is changing, and why evaluation, governance, and agentic workflows deserve greater investment.The Complete RAG Systems Guide: From Zero to Productionhttps://sinimite.work/en/posts/rag-system-complete-guide/Fri, 27 Mar 2026 15:06:20 +0900https://sinimite.work/en/posts/rag-system-complete-guide/A panoramic RAG guide covering ingestion, chunking, retrieval, reranking, generation, evaluation, and production operations, with an implementation path from zero to launch.Notes on Anthropic's Contextual Retrievalhttps://sinimite.work/en/posts/anthropic-contextual-retrieval-reading-notes/Wed, 11 Mar 2026 09:00:00 +0900https://sinimite.work/en/posts/anthropic-contextual-retrieval-reading-notes/Reading notes on Anthropic's Contextual Retrieval, covering semantic loss after chunking, experimental benchmarks, ground-truth evaluation, and production RAG practices.