{"type":"link","version":"1.0","title":"Retriever training pairs mined from real usage inherit its head-heavy skew and degrade recall on the long tail","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/risk-head-item-skew-in-retriever-training-data","thumbnail_url":"https://ai-arch.pages.dev/og/risk-head-item-skew-in-retriever-training-data.png","thumbnail_width":1200,"thumbnail_height":630}