RAG on Po-Wei Chen, MD — Physiatrist & Builder

RAG on Po-Wei Chen, MD — Physiatrist & Builderhttps://drpwchen.com/en/tags/rag/Recent content in RAG on Po-Wei Chen, MD — Physiatrist & BuilderPo-Wei Chen, MD — Physiatrist & Builderhttps://drpwchen.com/og-default.pnghttps://drpwchen.com/og-default.pngHugoenMon, 22 Jun 2026 15:00:00 +0800Adding graph retrieval to my medical LLM Wiki, and it actually works this timehttps://drpwchen.com/en/posts/vault-graph-rag/Mon, 22 Jun 2026 15:00:00 +0800https://drpwchen.com/en/posts/vault-graph-rag/I threw a new paper on SQL-RAG at Claude to verify it myself: useless for a redundant textbook library, but a great fit for finding "related notes" in a sparse Obsidian medical note vault. After swapping the ranking to personalized PageRank, the proportion of correctly finding related notes jumped from 34% to 84%, and I put it straight into production.