emmeryn / stemmer

A pretty fast implementation of the Porter Stemmer algorithm

stemmer

A pretty fast version of the Porter stemming algorithm.

Check out wooorm/stmr.c for an even faster version

Installation

npm:

$ npm install stemmer

Component.js:

$ component install wooorm/stemmer

Bower:

$ bower install stemmer

Duo:

var stemmer = require('wooorm/stemmer');

Usage

var stemmer = require('stemmer');

stemmer("considerations"); // "consider"
stemmer("detestable"); // "detest"
stemmer("vileness"); // "vile"

CLI

Install:

npm install --global stemmer

Use:

Usage: stemmer [options] <words...>

A pretty fast implementation of the Porter Stemmer algorithm

Options:

  -h, --help           output usage information
  -v, --version        output version number

Usage:

# output stems
$ stemmer considerations
# consider

# output stems from stdin
$ echo "detestable vileness" | stemmer
# detest vile

Benchmark

On a MacBook Air, it runs about 688,000 op/s.

           stemmer — this module
  688 op/s » op/s * 1,000

           porterStemmer
  372 op/s » op/s * 1,000

           natural - fails on 558 out of 23532 unit tests
   63 op/s » op/s * 1,000

License

MIT @ Titus Wormer