Opencalais Tagging
Open Calais attaches intelligent metadata-tags to your unstructured content, enabling powerful text analytics. The Open Calais natural language processing engine automatically analyzes and tags your input files in such a way that your consuming application can both easily pinpoint relevant data, and effectively leverage the invaluable intelligence and insights contained within the text. Please refer to the complete documentation here.
Installation
$ npm install opencalais-taggingUsage
- Get your free opencalais key from here.
A promise is returned if a callback function is not provided.
const calais = require('opencalais-tagging'),
options = {
content : 'The content to tag',
accessToken : 'opencalais-key'
}
const response = await calais.tag(options)
console.log('Response : ', response)An optional callbck function can also be provided.
const calais = require('opencalais-tagging'),
options = {
content : 'The content to tag',
accessToken : 'opencalais-key'
}
calais.tag(options, (error, data) => {
console.log('Response : ', data)
})Options
####The following query parameters can be provided.
| Options | Description | Values | Default Value |
|---|---|---|---|
| content (MANDATORY) | Content to be tagged. | string | none |
| accessToken (MANDATORY) | Obtained access token | string | none |
| Content-Type | Indicates the input mime type. | text/html, text/xml, text/raw, application/pdf | text/raw |
| omitOutputtingOriginalText | Excludes the original text from the output. Highly recommended for large input files. | boolean | true |
| outputFormat | Defines the output format. | xml/rdf, application/json, text/n3 | application/json |
| x-calais-contentClass | Specifies the genre of the input document. Highly recommended for optimal extraction when input files are news stories or research reports. | news, research | none |
| x-calais-language | Indicates the language of the input text. | English, French, Spanish | none |
| x-calais-selectiveTags | Lets you specify a custom set of metadata tag types to be included in the output. | additionalcontactdetails, company, country, deal, company, industry, person, socialtags, topic | none |
License
This project is licensed under the MIT License - see the LICENSE file for details