Retrieval Systems
Series · 3 posts
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AskChem: Making Provenance-Carrying Claims the Retrieval Unit
Advanced Retrieval, memory, and production RAGA critical reading of AskChem's atomic claims, source locators, faceted taxonomy, evidence graph, and AskChem-Bench results, with a clear boundary between citation traceability and scientific correctness.
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BM25 Wins at Scale: A Scaling Study of Retrieval-Augmented Generation Paradigms
Intermediate Retrieval, memory, and production RAGA deep reading of Wang et al.'s arXiv v3 study: across 28 nested enterprise-shaped corpus tiers with fixed questions, evidence, and adversarial documents, why BM25 crosses over at roughly 10 million corpus tokens and why agents should begin after global candidate discovery.
Understand it in 90 seconds
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RubricRanker Deep Read: RAG Needs the Right Document Set, Not Just the Most Relevant Documents
Advanced Retrieval, memory, and production RAGA close reading of how RubricRanker uses query-specific search rubrics, SFT, and GRPO to train a document reranker, and what its deep-research and RAG benchmark results actually establish.
Understand it in 90 seconds
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