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Join us for this hands-on Code Talk where we'll dive deep into building advanced Retrieval-Augmented Generation (RAG) architectures that effectively handle large-scale documents. Through live coding demonstrations, we'll explore techniques to enhance retrieval accuracy and context preservation when dealing with complex documents. Watch and code along as we implement multi-step RAG, recursive retrieval, and agent-driven approaches that intelligently chunk and process large texts, decompose queries, evaluate responses, and orchestrate complex tasks. You'll see real AWS customer code examples and learn practical strategies for building more accurate, scalable Generative AI applications. Bring your laptop and questions for this interactive session with AWS experts. Learn more: More AWS events: https://go.aws/3kss9CP Subscribe: More AWS videos: http://bit.ly/2O3zS75 More AWS events videos: http://bit.ly/316g9t4 ABOUT AWS: Amazon Web Services (AWS) hosts events, both online and in-person, bringing the cloud computing community together to connect, collaborate, and learn from AWS experts. AWS is the world's most comprehensive and broadly adopted cloud platform, offering over 200 fully featured services from data centers globally. Millions of customers—including the fastest-growing startups, largest enterprises, and leading government agencies—are using AWS to lower costs, become more agile, and innovate faster. #AWSreInvent #AWSreInvent2025 #AWS