{"type": "article", "title": "Robust-GAP: Achieving Zero-Hallucination Causal Summarization in Hierarchical RAG", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/robust-gap-achieving-zero-hallucination-causal-summarization-in-hierarchical-rag", "original_source": "https://dev.to/gde/robust-gap-achieving-zero-hallucination-causal-summarization-in-hierarchical-rag-2606", "published": "2026-07-19T06:04:17+00:00", "accessed": "2026-07-20", "id": "robust-gap-achieving-zero-hallucination-causal-summarization-in-hierarchical-rag"}