| # Attributions |
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|
| ## `modern_english_sample.txt` |
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| This file is an excerpt from the English Wikipedia article |
| [**Natural language processing**](https://en.wikipedia.org/wiki/Natural_language_processing), |
| retrieved 2026-05-11 via the MediaWiki API (`prop=extracts&explaintext=1`). |
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| The excerpt covers the article's introduction and a portion of the History |
| section (through "Statistical NLP"). Wikipedia section headers were removed |
| programmatically so the text reads as continuous prose suitable for |
| character-level language-model evaluation; no other modifications were made. |
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| **License:** [Creative Commons Attribution-ShareAlike 4.0 International |
| (CC BY-SA 4.0)](https://creativecommons.org/licenses/by-sa/4.0/). |
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| **Attribution:** "Natural language processing", Wikipedia, The Free |
| Encyclopedia, retrieved 2026-05-11. Authors: see the article's |
| [edit history](https://en.wikipedia.org/w/index.php?title=Natural_language_processing&action=history). |
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| Any redistribution of this file or derivative works must preserve this |
| attribution and license. |
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| ## `shakespeare_input.txt` and `shakespeare_sonnets.txt` |
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| Public domain. The complete works of William Shakespeare have been in the |
| public domain for centuries. |
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| ## `cities/` dataset |
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| The cities-of-origin classification dataset is released by the CIS 5300 |
| course staff under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). |
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