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Copyrights on the wiki are important for users to understand so that content can be uploaded to the wiki and taken from the wiki properly. In general, material on the wiki lies under a CC-BY-SA 3.0 license, of which the text and a summary can be found here. This means that material that is uploaded to the wiki must be eligible with this license. Additionally, this means that material taken from the wiki must generally be used in accordance with the CC-BY-SA 3.0 license.

Adding to the wiki

When you add self-developed materials to the wiki, you are agreeing to upload them in accordance in terms with the wiki's CC-BY-SA 3.0 license. If you need help in determining whether a specific piece of information can be added to the wiki, feel free to post your question in #wiki or message moderators.

If you repeatedly violate copyright regulations and avoid staff warnings, you may be blocked from editing. You will always be notified before this occurs, unless you are making the infringing edits in a very quick period.

Adding text

Text on the wiki should not be copyrighted, and instead should be formed by the user adding the text to the wiki. If copyrighted text needs to be used on the wiki, then a source should be given and the text should comply with fair use.

Adding files

Files added to the wiki must comply with a license compatible with the wiki's CC-BY-SA 3.0 license. This does not necessarily mean that the file itself has to be exactly the CC-BY-SA 3.0 license. In fact, here are some licenses that will and won't comply with the wiki's license:

Creative Commons License Abbreviations Can be used on the Wiki?
Public Domain PD, CC Public Domain Mark 1.0 Yes
Zero Public Domain, "No Rights Reserved" CC0 Yes
Attribution CC-BY (1.0, 2.0, 2.5, 3.0, 4.0) Yes
Attribution-ShareAlike CC-BY-SA (1.0, 2.0, 2.5, 3.0, 4.0) Yes
Attribution-NonCommercial CC-BY-NC (1.0, 2.0, 2.5, 3.0, 4.0) No
Attribution-NonCommercial-NoDerivs CC-BY-NC-ND (1.0, 2.0, 2.5, 3.0, 4.0) No
Attribution-NonCommercial-ShareAlike CC-BY-NC-SA (1.0, 2.0, 2.5, 3.0, 4.0) No
Attribution-NoDerivs CC-BY-ND (1.0, 2.0, 2.5, 3.0, 4.0) No

When you upload a file to the wiki, there is a "Licensing" dropdown where you can choose the license that best describes the file you are uploading. If you do not choose a license for the file you are uploading, the file may be flagged with {{No licensing info}} and a staff member may review the file to determine if it needs to be deleted in order to comply with the wiki's Creative Commons license. If this occurs, a staff member may reach out to you regarding the file you uploaded.

Common sources and whether they are allowed

Source Materials from this source are allowed on the Wiki
Screenshots or quotes of forum posts Yes
Screenshots or quotes of tests uploaded to Yes
Screenshots or quotes of wiki pages on Yes logo Yes
Screenshots of freely-licensed software, ex. Duosmium Yes
Science Olympiad logo Yes (with fair use; trademark policies still apply)
Copyrighted logos Depends (if a fair use rationale can be applied, then yes, otherwise no)
Screenshots of Scilympiad Depends (if a fair use rationale can be applied, then yes, otherwise no)
Screenshots or long quotes of the Science Olympiad rules No

Choosing a license


If you are uploading a work of your own to the wiki and would like to license it under a free license, here's a guide to help pick which option is best for you:

Copyright option Derivative works must be licensed under GDFL Derivative works must be licensed under CC-BY-SA 4.0 and include a copy of this license Attribution to the original work must be provided An original copy of the work must be provided
Own work, Creative Commons Attribution-Share Alike 4.0 No Yes Yes No
Own work, multi-license with CC-BY-SA-4.0 and GFDL One of these two options Yes If licensed under GFDL
Own work, Creative Commons Attribution 4.0 No No Yes No
Own work, release into public domain under the CC-Zero license No No No No

In simple terms, the most comprehensive, restrictive license would be licensing your work under CC-BY-SA 4.0 and GFDL together. The most free licensing is the CC-Zero license, allowing derivative works to use your work in almost any way without attribution.

Uploading non-free content

Typically, media on should be free and able to be reused by readers of the wiki, however, there can be exceptions. Content which is not free and is copyrighted is known as non-free content. This type of content can be used on the wiki with some important guidelines:

If a file meets all of these guidelines, you can tag it with an acceptable non-free content template.

Taking from the wiki

Most of the wiki is licensed under a CC-BY-SA 3.0 license. This is a Creative Commons license that allows you to reuse content from the wiki, with specific restrictions. More specifically:

However, files may be licensed under a different license, which may allow for more loose restrictions. For examples, files in the public domain can be reused with no restrictions whatsoever. If a file is licensed under a different license than the wiki's default license, then it will be listed on the file page using a specific copyright template.