Customer-obsessed science
Research areas
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October 20, 20263 min readHow Amazon partnered with AVERI to independently assess — and improve — our internal safety testing of Amazon models.
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October 12, 202614 min read
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August 21, 20269 min read
Featured news
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2026LLM-based factuality judges provide scalable evaluation signals, but their metrics are often systematically biased relative to human judgments. We study human-anchored factuality evaluation under limited annotation budgets, where judge predictions on the full dataset are combined with human labels on a small selectively sampled subset to obtain statistically valid estimates. The efficiency of this approach
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EMNLP 2026 Workshop on Multilingual Representation Learning2026Pretrained multilingual language models perform well on many NLP tasks, yet their performance remains uneven, with English consistently outperforming most other languages. Multilingual adaptation aims to close this gap while preserving English performance, but faces challenges such as limited task-specific multilingual data, the curse of multilinguality, and catastrophic forgetting. Large language models
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This paper presents a thermo-mechanical reliability investigation of two epoxy-filled via structures, Via-in-Pad Plated over (VIPPO) vias and the stacked microvias, combining finite element analysis (FEA) with experimental failure analysis. For VIPPO structures, pad crater susceptibility after reflow exposure was assessed using the first principal stress within the prepreg laminate, while for stacked microvias
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2026E-commerce competition has intensified in recent years, further raising the delivery speed and cost efficiency standards that companies must meet. The middle mile network that connects fulfillment centers to local distribution centers plays a decisive role in achieving these standards. In this paper, we study the Middle Mile Network Design Problem, which determines optimal network investments that balance
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CIKM 20262026E-commerce stores struggle to understand the root causes of declining seller revenue, often relying on correlation-based analytics that leads to ineffective or even harmful interventions. This paper introduces the Revenue Loss Monitor (RLM), a system that uses Double Machine Learning (DML) to move from simple correlation to causal attribution of revenue loss. RLM successfully isolates the causal impact
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