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When we launched LLM-as-a-judge (LLMaJ) and Retrieval Augmented Generation (RAG) evaluation capabilities in public preview at AWS re:Invent 2024, customers used them to assess their foundation models (FMs) and generative AI applications, but asked for more flexibility beyond Amazon Bedrock models and knowledge bases... Today, we’re excited to announce the general availability of these evaluatio...

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Large language models (LLMs) can be used to perform natural language processing (NLP) tasks ranging from simple dialogues and information retrieval tasks, to more complex reasoning tasks such as summarization and decision-making... In other words, these models are not aligned with their users... Instead of fine-tuning an LLM using only supervision and demonstration data, you can collect feedback ...

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These classified transactions then serve as critical inputs for downstream credit risk AI models, enabling more accurate assessments of a business’s creditworthiness... To achieve this, Lumi developed a classification model based on BERT (Bidirectional Encoder Representations from Transformers), a state-of-the-art natural language processing (NLP) technique... They fine-tuned this model using t...

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The US is the world’s leading exporter of services to the global economy... The services sector is also the dominant source of economic activity in America...A key risk for the American services sector is that raising tariffs virtually ensures that international trade will decline... But what’s often overlooked is that the US runs a hefty trade surplus for services, a sector that’s far...

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US services sector growth slowed in March, downshifting to the weakest pace since June 2024...The US bond market rallied yesterday amid rising fears that a global trade war is unfolding... The Vanguard Total Bond Market ETF (BND), a proxy for US government bonds and investment-grade credits, rallied to its highest level since September, fueled by a rush for safe havens amid a stock market rout on...