Comprehend

Amazon Comprehend is a fully managed natural language processing (NLP) service that uses machine learning to analyze text and extract valuable insights without requiring any machine learning expertise. It enables organizations to understand customer feedback, documents, logs, and social media content at scale.

Features of Amazon Comprehend:

• Performs sentiment analysis to detect positive, negative, neutral, or mixed sentiment.
• Extracts key phrases, entities, and syntax from unstructured text.
• Automatically detects the dominant language of input text.
• Supports custom entity recognition and custom classification models.
• Scales automatically to process large volumes of text data.
• Integrates seamlessly with other AWS services using APIs and CLI.

Amazon Comprehend Usage

$ aws --version  #to check version of aws
$ aws comprehend detect-dominant-language --text "Hello world"
$ aws comprehend detect-sentiment --text "This service is excellent" --language-code en
$ aws comprehend detect-key-phrases --text "Amazon Comprehend analyzes text" --language-code en
$ aws comprehend detect-entities --text "AWS is based in Seattle" --language-code en
$ aws --version