{"type":"link","version":"1.0","title":"In multi-hop QA the binding constraint is answer synthesis, not evidence coverage — retrieval cannot substitute for composition","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/composition-failure-multi-hop","thumbnail_url":"https://ai-arch.pages.dev/og/composition-failure-multi-hop.png","thumbnail_width":1200,"thumbnail_height":630}