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Comprehend: Detect sentiment, entities, and key phrases

Analyze text using Amazon Comprehend's real-time APIs for language detection, sentiment analysis, entity recognition, key phrase extraction, and PII detection.

Source

https://docs.aws.amazon.com/comprehend/latest/dg/get-started-api.html

Use case

  • ID: comprehend/getting-started
  • Phase: create
  • Complexity: beginner
  • Core actions: comprehend:DetectSentiment, comprehend:DetectEntities, comprehend:DetectKeyPhrases

What it does

  1. Detects the dominant language of sample text
  2. Analyzes sentiment (positive, negative, neutral, mixed)
  3. Extracts named entities (people, organizations, dates)
  4. Extracts key phrases
  5. Detects PII entities (names, emails, phone numbers)

Running

bash amazon-comprehend-gs.sh

Resources created

None. Comprehend is a stateless API.

Estimated time

  • Run: ~5 seconds

Cost

Comprehend pricing is per unit (100 characters). This tutorial analyzes ~500 characters, costing less than $0.01.

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