{"type": "article", "title": "Show HN: Bi-temporal Graph RAG in Postgres (new documents retire old facts)", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/show-hn-bi-temporal-graph-rag-in-postgres-new-documents-retire-old-facts", "original_source": "https://crajah.github.io/post-graph-rag/", "published": "2026-09-17T17:14:01+00:00", "accessed": "2026-09-17", "id": "show-hn-bi-temporal-graph-rag-in-postgres-new-documents-retire-old-facts"}