{"type":"link","version":"1.0","title":"Indexing synthesized summary nodes alongside raw chunks is what makes hierarchical retrieval beat flat retrieval, especially for thematic questions","author_name":"AI Archs","author_url":"https://ai-arch.pages.dev","provider_name":"AI Archs","provider_url":"https://ai-arch.pages.dev","url":"https://ai-arch.pages.dev/n/summary-nodes-carry-retrieval-weight-for-thematic-queries","thumbnail_url":"https://ai-arch.pages.dev/android-chrome-512x512.png","thumbnail_width":512,"thumbnail_height":512}