Amazon Comprehend is a natural language processing (NLP) service that uses machine learning to discover insights from text. Amazon Comprehend provides Keyphrase Extraction, Sentiment Analysis, Entity Recognition, Topic Modeling, and Language Detection APIs so you can easily integrate natural language processing into your applications. You simply call the Amazon Comprehend APIs in your application and provide the location of the source document or text. The APIs will output entities, key phrases, sentiment, and language in a JSON format, which you can use in your application.

Keyphrase Extraction

The Keyphrase Extraction API returns the key phrases or talking points and a confidence score to support that this is a key phrase.

Sentiment Analysis

The Sentiment Analysis API returns the overall sentiment of a text (Positive, Negative, Neutral, or Mixed).

Entity Recognition

The Entity Recognition API returns the named entities ("People," "Places," "Locations," etc.) that are automatically categorized based on the provided text.

Language Detection

The Language Detection API automatically identifies text written in over 100 languages and returns the dominant language with a confidence score to support that a language is dominant.

Topic Modeling

Topic Modeling identifies relevant terms or topics from a collection of documents stored in Amazon S3. It will identify the most common topics in the collection and organize them in groups and then map which documents belong to which topic.

Multiple language support

Amazon Comprehend can perform text analysis on English and Spanish texts. This lets you build applications that can detect text in multiple languages, convert the text to English or Spanish with Amazon Translate, and then use Amazon Comprehend to perform text analysis.

Learn more about Amazon Comprehend pricing

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