node-tagger

0.0.11 • Public • Published

Part Of Speech (POS) Tagger Web Service

This module is a command line wrapper around the npm module "pos". With it you can use the POS tagger from the command line or start it as a REST Web Service.

The "pos" module is maintained by Fortnight Labs.

LICENSE:

node-tagger is licensed under the GNU LGPLv3

Installation

npm install -g node-tagger

Usage on the command line

tagger Hello world

Usage as a Web Service

Start the service

tagger --port=3000 &

  1. To use only the lexer

curl -X POST -H "Content-Type: application/json" -d '{"phrase":"Hello worldd"}' http://localhost:3000/ws/lex/phrase

  1. To use the tagger on the result from the lexer

curl -X POST -H "Content-Type: application/json" -d '{"words":["hello","world"]}' http://localhost:3000/ws/tag/words

  1. To combine the lexer and the tagger in one request

curl -X POST -H "Content-Type: application/json" -d '{"phrase":"hello world"}' http://localhost:3000/ws/tag/phrase

You can also use the HTML User Interface

http://localhost:3000/

Include this as a module in your own project

var tagger  = require('node-tagger'),
    express = require('express'),
    app     = express();

// Lex the phrase, then Tag it.
console.log('Hello World = ', tagger.api.tag(tagger.api.lex('Hello World')));

////////////////////////////////////////////////////////////////////////
//
// Express configuration for ALL environment
//
app.configure(function () {
    app.use(express.bodyParser());
    app.use(express.errorHandler());
});

// USE: curl -X POST -H "Content-Type: application/json" -d '{"phrase":"hello world"}' http://localhost:3000/tag/phrase
app.post('/lex', tagger.rest.lexPhrase);
app.post('/tag/phrase', tagger.rest.tagPhrase);
app.post('/tag/words', tagger.rest.tagWords);

app.listen(process.env.PORT || 3000);
console.log('Listening|port=' + (process.env.PORT || 3000));

To run the tests

npm test

To deploy on Heroku

Make sure you have an account and the "heroku" command line tools installed. This project already has a Procfile for heroku, the only left is to replace MyPersonalTaggerService by the name you will chose for your service.

heroku create --stack cedar __MyPersonalTaggerService__
git push heroku master

Then open your browser at http://MyPersonalTaggerService.herokuapp.com/

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