51 lines
1.7 KiB
Markdown
51 lines
1.7 KiB
Markdown
# Natural Language Toolkit (NLTK)
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[![PyPI](https://img.shields.io/pypi/v/nltk.svg)](https://pypi.python.org/pypi/nltk)
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![CI](https://github.com/nltk/nltk/actions/workflows/ci.yaml/badge.svg?branch=develop)
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NLTK -- the Natural Language Toolkit -- is a suite of open source Python
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modules, data sets, and tutorials supporting research and development in Natural
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Language Processing. NLTK requires Python version 3.7, 3.8, 3.9, 3.10 or 3.11.
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For documentation, please visit [nltk.org](https://www.nltk.org/).
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## Contributing
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Do you want to contribute to NLTK development? Great!
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Please read [CONTRIBUTING.md](CONTRIBUTING.md) for more details.
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See also [how to contribute to NLTK](https://www.nltk.org/contribute.html).
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## Donate
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Have you found the toolkit helpful? Please support NLTK development by donating
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to the project via PayPal, using the link on the NLTK homepage.
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## Citing
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If you publish work that uses NLTK, please cite the NLTK book, as follows:
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Bird, Steven, Edward Loper and Ewan Klein (2009).
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Natural Language Processing with Python. O'Reilly Media Inc.
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## Copyright
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Copyright (C) 2001-2023 NLTK Project
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For license information, see [LICENSE.txt](LICENSE.txt).
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[AUTHORS.md](AUTHORS.md) contains a list of everyone who has contributed to NLTK.
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### Redistributing
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- NLTK source code is distributed under the Apache 2.0 License.
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- NLTK documentation is distributed under the Creative Commons
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Attribution-Noncommercial-No Derivative Works 3.0 United States license.
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- NLTK corpora are provided under the terms given in the README file for each
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corpus; all are redistributable and available for non-commercial use.
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- NLTK may be freely redistributed, subject to the provisions of these licenses.
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