{"type": "article", "title": "I Built a Hybrid RAG App That Talks to My PDF — and Knows When to Say “I Don’t Know”", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-built-a-hybrid-rag-app-that-talks-to-my-pdf-and-knows-when-to-say-i-dont-know", "original_source": "https://pub.towardsai.net/i-built-a-hybrid-rag-app-that-talks-to-my-pdf-and-knows-when-to-say-i-dont-know-5e4044a54921?source=rss----98111c9905da---4", "published": "2026-07-16T00:01:02+00:00", "accessed": "2026-07-16", "id": "i-built-a-hybrid-rag-app-that-talks-to-my-pdf-and-knows-when-to-say-i-dont-know"}