https://github.com/nltk/nltk

NLTK Source
https://github.com/nltk/nltk

machine-learning natural-language-processing nlp nltk python

Last synced: 4 days ago
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NLTK Source

• Host: GitHub
• URL: https://github.com/nltk/nltk
• Owner: nltk
• License: apache-2.0
• Created: 2009-09-07T10:53:58.000Z (over 15 years ago)
• Default Branch: develop
• Last Pushed: 2024-09-25T08:35:09.000Z (3 months ago)
• Last Synced: 2024-10-29T16:14:59.499Z (about 1 month ago)
• Topics: machine-learning, natural-language-processing, nlp, nltk, python
• Language: Python
• Homepage: https://www.nltk.org
• Size: 337 MB
• Stars: 13,564
• Watchers: 463
• Forks: 2,886
• Open Issues: 277
• Metadata Files:
  • Readme: README.md
  • Changelog: ChangeLog
  • Contributing: CONTRIBUTING.md
  • License: LICENSE.txt
  • Citation: CITATION.cff
  • Security: SECURITY.md
  • Authors: AUTHORS.md

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README

        
# Natural Language Toolkit (NLTK)

[![PyPI](https://img.shields.io/pypi/v/nltk.svg)](https://pypi.python.org/pypi/nltk)

![CI](https://github.com/nltk/nltk/actions/workflows/ci.yaml/badge.svg?branch=develop)

NLTK -- the Natural Language Toolkit -- is a suite of open source Python

modules, data sets, and tutorials supporting research and development in Natural

Language Processing. NLTK requires Python version 3.8, 3.9, 3.10, 3.11 or 3.12.

For documentation, please visit [nltk.org](https://www.nltk.org/).

## Contributing

Do you want to contribute to NLTK development? Great!

Please read [CONTRIBUTING.md](CONTRIBUTING.md) for more details.

See also [how to contribute to NLTK](https://www.nltk.org/contribute.html).

## Donate

Have you found the toolkit helpful?  Please support NLTK development by donating

to the project via PayPal, using the link on the NLTK homepage.

## Citing

If you publish work that uses NLTK, please cite the NLTK book, as follows:

    Bird, Steven, Edward Loper and Ewan Klein (2009).

    Natural Language Processing with Python.  O'Reilly Media Inc.

## Copyright

Copyright (C) 2001-2024 NLTK Project

For license information, see [LICENSE.txt](LICENSE.txt).

[AUTHORS.md](AUTHORS.md) contains a list of everyone who has contributed to NLTK.

### Redistributing

- NLTK source code is distributed under the Apache 2.0 License.

- NLTK documentation is distributed under the Creative Commons

  Attribution-Noncommercial-No Derivative Works 3.0 United States license.

- NLTK corpora are provided under the terms given in the README file for each

  corpus; all are redistributable and available for non-commercial use.

- NLTK may be freely redistributed, subject to the provisions of these licenses.