to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue
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The original description page was here. All following user names refer to en.wikipedia.
The image is licensed under Creative Commons Licence 4.0 as specified at https://creativecommons.org/licenses/by/4.0/ Source: http://www.cs.ucla.edu/~sahai/ (see the <meta> tag in the html source)
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