language

Google Cloud Natural Language API Node.js Samples

Cloud Natural Language API provides natural language understanding technologies to developers, including sentiment analysis, entity recognition, and syntax analysis. This API is part of the larger Cloud Machine Learning API.

Table of Contents

• Setup
• Samples
  • analyze.js

Setup

1. Please follow the Set Up Your Project steps in the Quickstart doc to create a project and enable the Cloud Natural Language API.

2. Read Prerequisites and How to run a sample first.

3. Install dependencies:

    npm install
   

Samples

Analyze

View the source code.

Run the sample:

Usage: node analyze <sentiment|entities|syntax> <text>

For example, the following command returns all entities found in the text:

Example:

node analyze entities "President Obama is speaking at the White House."

{
  "entities": [
    {
      "name": "Obama",
      "type": "PERSON",
      "metadata": {
        "wikipedia_url": "http://en.wikipedia.org/wiki/Barack_Obama"
      },
      "salience": 0.84503114,
      "mentions": [
        {
          "text": {
            "content": "Obama",
            "beginOffset": 10
          }
        }
      ]
    },
    {
      "name": "White House",
      "type": "LOCATION",
      "metadata": {
        "wikipedia_url": "http://en.wikipedia.org/wiki/White_House"
      },
      "salience": 0.15496887,
      "mentions": [
        {
          "text": {
            "content": "White House",
            "beginOffset": 35
          }
        }
      ]
    }
  ],
  "language": "en"
}