Update README.md

README.md

@@ -196,7 +196,21 @@ The dataset contains a train with 25443 samples and test splits with 1000 sample
 To create the TACO dataset, the authors manually curated problems from open-access sites where programmers share problems with each other, including Aizu
 AtCoder, CodeChef, Codeforces, CodeWars, GeeksforGeeks, HackerEarth, HackerRank, Katti and LeetCode. For more details please refer to the original paper.
 
-
+## License
+The TACO dataset that is authored by BAAI, Shandong Normal University and Peking University is released under an [Apache 2.0 License](https://www.apache.org/licenses/LICENSE-2.0). However, the data also includes content licensed under other permissive licenses such as MIT License, or web-crawled data which is used under the terms of the CC BY 4.0 licenseCC BY 4.0 license ([Creative Commons Attribution 4.0 International license](https://creativecommons.org/licenses/by/4.0/legalcode)).
+
+We gratefully acknowledge the contributions of the following:
+*   some AtCoder, Codeforces, CodeWars, Kattis, LeetCode material curated from APPS dataset (https://github.com/hendrycks/apps)
+*   some Aizu, AtCoder, CodeChef, Codeforces material curated from CodeContest dataset (https://github.com/google-deepmind/code_contests)
+*   Codeforces materials are sourced from http://codeforces.com.
+*   CodeChef materials are sourced from https://www.codechef.com.
+*   GeekforGeeks materials are sourced from https://www.geeksforgeeks.org
+*   HackerEarth materials are curated from:
+    [Description2Code Dataset](https://github.com/ethancaballero/description2code),
+    licensed under the
+    [MIT open source license](https://opensource.org/licenses/MIT), copyright
+    not specified.
+*   HackerRank materials are sourced from https://www.hackerrank.com. We don't know what the legal rights or data licenses of HackerRank. Please contact us if there is data license.
 ## Citation Information
 
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