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Using transcription confidence scores to improve slot filling in Amazon Lex

AWS Machine Learning Blog

Customer: Id like to check my booking. Virtual Agent: Thats great, please say your 5 character booking reference, you will find it at the top of the information pack we sent. What is your booking reference? Virtual Agent: Your booking 1 9 A A B is currently being progressed. Customer: Id like to check my booking.

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Unstructured data management and governance using AWS AI/ML and analytics services

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However, with the help of AI and machine learning (ML), new software tools are now available to unearth the value of unstructured data. In this post, we discuss how AWS can help you successfully address the challenges of extracting insights from unstructured data. Let’s understand how these AWS services are integrated in detail.

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Your guide to generative AI and ML at AWS re:Invent 2023

AWS Machine Learning Blog

Yes, the AWS re:Invent season is upon us and as always, the place to be is Las Vegas! You marked your calendars, you booked your hotel, and you even purchased the airfare. Now all you need is some guidance on generative AI and machine learning (ML) sessions to attend at this twelfth edition of re:Invent.

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Improving Retrieval Augmented Generation accuracy with GraphRAG

AWS Machine Learning Blog

Lettria , an AWS Partner, demonstrated that integrating graph-based structures into RAG workflows improves answer precision by up to 35% compared to vector-only retrieval methods. In this post, we explore why GraphRAG is more comprehensive and explainable than vector RAG alone, and how you can use this approach using AWS services and Lettria.

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Achieve multi-Region resiliency for your conversational AI chatbots with Amazon Lex

AWS Machine Learning Blog

Global Resiliency is a new Amazon Lex capability that enables near real-time replication of your Amazon Lex V2 bots in a second AWS Region. Additionally, we discuss how to handle integrations with AWS Lambda and Amazon CloudWatch after enabling Global Resiliency. We walk through the instructions to replicate the bot later in this post.

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Empower your generative AI application with a comprehensive custom observability solution

AWS Machine Learning Blog

This solution uses decorators in your application code to capture and log metadata such as input prompts, output results, run time, and custom metadata, offering enhanced security, ease of use, flexibility, and integration with native AWS services.

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Improve the performance of your Generative AI applications with Prompt Optimization on Amazon Bedrock

AWS Machine Learning Blog

About the Authors Shreyas Subramanian is a Principal Data Scientist and helps customers by using generative AI and deep learning to solve their business challenges using AWS services. Shreyas has a background in large-scale optimization and ML and in the use of ML and reinforcement learning for accelerating optimization tasks.

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