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README.md

Node Stanford POS-tagger

Let your node.js application think like a human.

Usage

node-stanford-postagger has one usage, to interact with Stanford's POS-tagger.

Dependencies

To simply configure and install Stanford's POS-tagger with Turian's XMLPRC service, you can simply run my Stanford POS-tagger Docker image:

docker pull cuzzo/stanford-pos-tagger
docker run -t -i -p 9000:9000 cuzzo/stanford-pos-tagger

Otherwise, carefully follow Stanford's and Turian's instructions. Be prepared to spend hours |= (Just get Docker).

Installation

git clone https://github.com/cuzzo/node-stanford-postagger
cd node-stanford-postagger
npm install

How to Run the XMLRPC Service

As posted above, with Docker, it's as simple as:

docker pull cuzzo/stanford-pos-tagger
docker run -t -i -p 9000:9000 cuzzo/stanford-pos-tagger

Without Docker, I've included util/run-server.sh to simplify running Turian's XMLRPC service for Stanford's POS-tagger in a user-friendly way.

run-server.sh models/left3words-wsj-0-18.tagger 9000

The above runs the service using the built-in left3words-wsj-0-18 training model on port 9000. To run this script, it's required to live in the root directory of the stanford-postagger code--in the same directory as Turian's tagger-server.jar is required to be moved.

Interacting with the XMLRPC Service in node.js

$ bin/tag "Hello, world!"
> [ 'Hello_UH ,_, world_NN !_.\n' ]

Interacting with the XMLRPC Service in Your node.js Project

var Tagger = require("node-stanford-postagger/postagger").Tagger;
var tagger = new Tagger({
  port: "9000",
  host: "localhost"
});

tagger.tag("Hello, world!", function(err, resp) {
  if (err) return console.error(err);
  console.log(resp);
});

If you don't like callbacks and prefer promises, node-stanford-postagger supports denodeify.

var Q = require("q");
var Tagger = require("node-stanford-postagger/postagger").Tagger;
var tagger = new Tagger({
  port: "9000",
  host: "localhost"
});
tagger.denodify(Q);

tagger.tag("Hello, world!")
  .then(function(resp) {
      console.log(resp);
    },
    function(err) {
      console.error(err);
    }
  );

Acknowledgements

License

node-stanford-postagger is free--as in BSD. Hack your heart out, hackers.

  • NOTE: Stanford's POS Tagger itself is licensed GPL.

About

A client for the Stanford Part of Speech Tagger XMLRPC server.

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