glossary is a JavaScript module that extracts keywords from text (aka "term extraction" or "auto tagging"). It takes a string of text and returns an array of terms that are relevant to the content:
var glossary = require("glossary");
var keywords = glossary.extract("Her cake shop is the best in the business");
console.log(keywords) // ["cake", "shop", "cake shop", "business"]glossary is standalone and uses part-of-speech analysis to extract the relevant terms.
npm install glossaryUse blacklist to remove unwanted terms from any extraction:
var glossary = require("glossary")({
blacklist: ["library", "script", "api", "function"]
});
var keywords = glossary.extract("JavaScript color conversion library");
console.log(keywords); // ["color", "conversion"]Use minFreq to limit the terms to only those that occur with a certain frequency:
var glossary = require("glossary")({ minFreq: 2 });
var keywords = glossary.extract("Kasey's pears are the best pears in Canada");
console.log(keywords); // ["pears"]Use collapse to remove terms that are sub-terms of other terms:
var glossary = require("glossary")({ collapse: true });
var keywords = glossary.extract("The Middle East crisis is getting worse");
console.log(keywords); // ["Middle East crisis"]Use verbose to also get the count of each term:
var glossary = require("./glossary")({ verbose: true });
var keywords = glossary.extract("The pears from the farm are good");
console.log(keywords); // [ { word: 'pears', count: 1 }, { word: 'farm', count: 1 } ]Use minSize to limit the terms to a minimum size
var glossary = require("./glossary")({ minSize: 5 });
var keywords = glossary.extract("I like to eat pears in the garden");
console.log(keywords); // [ 'garden' ]glossary Uses jspos for POS tagging. It's inspired by the python module topia.termextract.
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