# Amazon Bedrock Knowledge Bases

Published articles for Amazon Bedrock Knowledge Bases.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## Video and image search in Amazon Bedrock Knowledge Base using Marengo 3.0

DevFeed: [Video and image search in Amazon Bedrock Knowledge Base using Marengo 3.0](<https://devfeed.tech/articles/video-and-image-search-in-amazon-bedrock-knowledge-base-using-marengo-3-0-4743.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/machine-learning/video-and-image-search-in-amazon-bedrock-knowledge-base-using-marengo-3-0/>)

Author: Eric Kim

Published: 2026-09-10T21:15:39Z

Content type: tutorial

Language: en

Sources: [Artificial Intelligence](<https://devfeed.tech/sources/artificial-intelligence.md>)

Topics: [AI search](<https://devfeed.tech/topics/ai-search.md>), [Retrieval Augmented Generation (RAG)](<https://devfeed.tech/topics/retrieval-augmented-generation-rag.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>), [AWS IAM](<https://devfeed.tech/topics/aws-iam.md>)

Tags: [amazon-bedrock](<https://devfeed.tech/tags/amazon-bedrock.md>), [amazon-bedrock-knowledge-bases](<https://devfeed.tech/tags/amazon-bedrock-knowledge-bases.md>), [announcements](<https://devfeed.tech/tags/announcements.md>), [audio](<https://devfeed.tech/tags/audio.md>), [embedding](<https://devfeed.tech/tags/embedding.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [images](<https://devfeed.tech/tags/images.md>), [intermediate-200](<https://devfeed.tech/tags/intermediate-200.md>), [multimodal](<https://devfeed.tech/tags/multimodal.md>), [rag](<https://devfeed.tech/tags/rag.md>), [s3](<https://devfeed.tech/tags/s3.md>), [search](<https://devfeed.tech/tags/search.md>), [video](<https://devfeed.tech/tags/video.md>)

### AI overview

A walkthrough for building an Amazon Bedrock Knowledge Base with TwelveLabs Marengo Embed 3.0 to perform natural-language semantic search across video, images, and audio.

### Source excerpt

TwelveLabs Marengo Embed 3.0 is now generally available as an embedding model in Amazon Bedrock Knowledge Bases, bringing fully managed natural language search to video, image, and audio content. This walkthrough shows how to build a knowledge base powered by Marengo 3.0 and run semantic queries against your media.

## Gallup scales real-time coaching for thousands with Amazon Bedrock

DevFeed: [Gallup scales real-time coaching for thousands with Amazon Bedrock](<https://devfeed.tech/articles/gallup-scales-real-time-coaching-for-thousands-with-amazon-bedrock-4641.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/architecture/gallup-delivers-real-time-workplace-coaching-to-thousands-of-leaders-with-amazon-bedrock/>)

Author: Tamil Sambasivam

Published: 2026-08-26T17:36:23Z

Content type: article

Language: en

Sources: [AWS Architecture Blog](<https://devfeed.tech/sources/aws-architecture-blog.md>)

Topics: [AI Chat](<https://devfeed.tech/topics/ai-chat.md>), [Language models](<https://devfeed.tech/topics/language-models.md>)

Tags: [amazon-bedrock](<https://devfeed.tech/tags/amazon-bedrock.md>), [amazon-bedrock-knowledge-bases](<https://devfeed.tech/tags/amazon-bedrock-knowledge-bases.md>), [anthropic](<https://devfeed.tech/tags/anthropic.md>), [aws](<https://devfeed.tech/tags/aws.md>), [claude](<https://devfeed.tech/tags/claude.md>), [customer-solutions](<https://devfeed.tech/tags/customer-solutions.md>), [generative-ai](<https://devfeed.tech/tags/generative-ai.md>), [retrieval-augmented-generation-rag](<https://devfeed.tech/tags/retrieval-augmented-generation-rag.md>), [safety](<https://devfeed.tech/tags/safety.md>)

### AI overview

Gallup built a generative AI coaching assistant with Amazon Bedrock and Anthropic Claude models to provide leaders with real-time, personalized workplace guidance in Gallup Access.

### Source excerpt

Gallup transformed 90 years of workplace science into Gallup AI, a generative AI assistant powered by Amazon Bedrock that delivers real-time, personalized coaching to leaders directly within the Gallup Access application.

## Propagate user authorization context in AI agents with Amazon Bedrock AgentCore

DevFeed: [Propagate user authorization context in AI agents with Amazon Bedrock AgentCore](<https://devfeed.tech/articles/propagate-user-authorization-context-in-ai-agents-with-amazon-bedrock-agentcore-4689.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/security/propagate-user-authorization-context-in-ai-agents-with-amazon-bedrock-agentcore/>)

Author: Anshu Bathla

Published: 2026-08-19T17:24:15Z

Content type: article

Language: en

Sources: [AWS Security Blog](<https://devfeed.tech/sources/aws-security-blog.md>)

Topics: [Amazon Bedrock AgentCore](<https://devfeed.tech/topics/amazon-bedrock-agentcore.md>), [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [Authorization](<https://devfeed.tech/topics/authorization.md>), [AWS Identity and Access Management (IAM)](<https://devfeed.tech/topics/aws-identity-and-access-management-iam.md>), [Amazon Bedrock Knowledge Bases](<https://devfeed.tech/topics/amazon-bedrock-knowledge-bases.md>), [Amazon DynamoDB](<https://devfeed.tech/topics/amazon-dynamodb.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>), [prompt injection](<https://devfeed.tech/topics/prompt-injection.md>), [Amazon Web Services](<https://devfeed.tech/topics/aws.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>)

Tags: [access-control](<https://devfeed.tech/tags/access-control.md>), [advanced-300](<https://devfeed.tech/tags/advanced-300.md>), [ai-agents](<https://devfeed.tech/tags/ai-agents.md>), [amazon-bedrock](<https://devfeed.tech/tags/amazon-bedrock.md>), [amazon-bedrock-agentcore](<https://devfeed.tech/tags/amazon-bedrock-agentcore.md>), [amazon-bedrock-knowledge-bases](<https://devfeed.tech/tags/amazon-bedrock-knowledge-bases.md>), [amazon-dynamodb](<https://devfeed.tech/tags/amazon-dynamodb.md>), [amazon-s3](<https://devfeed.tech/tags/amazon-s3.md>), [artificial-intelligence](<https://devfeed.tech/tags/artificial-intelligence.md>), [authorization](<https://devfeed.tech/tags/authorization.md>), [aws](<https://devfeed.tech/tags/aws.md>), [prompt-injection](<https://devfeed.tech/tags/prompt-injection.md>), [security-blog](<https://devfeed.tech/tags/security-blog.md>), [security-identity-compliance](<https://devfeed.tech/tags/security-identity-compliance.md>), [technical-how-to](<https://devfeed.tech/tags/technical-how-to.md>)

### AI overview

This article explains how to propagate user authorization context through AI agents built with Amazon Bedrock AgentCore. It presents a pattern for enforcing least-privilege access in downstream data services and infrastructure, so agents can access DynamoDB, Bedrock Knowledge Bases, S3-backed documents, and other sources only within the requesting user's permissions.

### Source excerpt

Many teams now deploy AI agents that pull from Amazon DynamoDB tables, document repositories, software as a service (SaaS) platforms, and internal knowledge bases to answer questions and automate workflows. A key risk in these deployments is that the agent has no awareness of who's asking, so it might return data the user shouldn't see. [...]