License information about Wikimedia dump downloads

License information about Wikimedia dump downloads
License information
Wikimedia’s
mission
is to create educational content that is freely available to all people. In keeping with that goal, all information on Wikimedia projects may be freely shared, copied, remixed, and used for any purpose (including commercial purposes!) in perpetuity. To help guide users of
dumps.wikimedia.org
, this page contains more detailed information about Wikimedia’s licensing and licensing policies as they may apply to our dumps.
This is a high-level guide only. Where this information conflicts with specific information in the
Wikimedia Foundation Terms of Use
, or with other information contained inside the dumps themselves, this description should be ignored. Those terms are controlling.
Text
Except as discussed below, all original textual content is licensed under the
GNU Free Documentation License
(GFDL) and the
Creative Commons Attribution-Share-Alike 4.0 License
. Some text may be available only under the Creative Commons license; see our
for details. Text written by some authors may be released under additional licenses or into the public domain.
Images
By default, images uploaded to our services are under the
Creative Commons Attribution-Share-Alike 4.0 License
. However, many images are NOT released under this license. Image copyright information is contained in the image description page inside the text dumps.
Exceptions
Wikinews
As of 2005-09-25, all Wikinews textual content is licensed under the
Creative Commons Attribution 2.5 License
. All Wikinews material published prior to that date (2005-09-25) is in the public domain.
Wikidata
Copyrights of structured data in the main, Property, Lexeme, and EntitySchema namespaces are waived using the
Creative Commons Zero (CC0) public domain dedication
. All unstructured content in other namespaces is licensed under the
Creative Commons Attribution-Share-Alike 4.0 License
Wikifunctions
Copyrights of function definitions, labels, and documentation in the main namespace are waived using the
Creative Commons Zero (CC0) public domain dedication
. All code fragments and implementations in the main namespace are available under the
Apache 2.0 License
. Text in other namespaces is available under the
Creative Commons Attribution-Share-Alike 4.0 License
Analytics Datasets
All Analytics datasets are available under the
Creative Commons Zero (CC0) public domain dedication
, unless otherwise specified.
Fair use and other exceptions
Some text and images may be included when it is believed that this inclusion is permitted by
fair use
or other exceptions to copyright. A list (possibly incomplete) of
relevant exceptions and policies can be found on our meta-wiki
. Use of this information may be a copyright violation if used in a different context than they are used on Wikipedia.
Potential infringements
Wikimedians diligently remove copyright infringements, but because that removal is an ongoing process, these dumps may contain some copyright infringements which have not yet been noticed and removed. Your use of this material is AT YOUR OWN RISK. Please let us know about any copyright infringements you find, so they can be removed.
More information: Legal
For more information about our licensing policy, see:
Section 7 of our Terms of Use
Our
Licensing Policy
Per-project licensing information, such as
this description of English Wikipedia’s licensing policy.
More information: for researchers
If you’re a researcher, you can find
more information about our data sources
as part of our
Research hub
Apps Guidelines
Guidelines for developers
on how to properly reuse Wikimedia data, trademarks, and content.
Questions?
For questions, please contact legal@wikimedia.org.