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Wikimedia Foundation has the rights to the trademarked Wikipedia and Wikimedia logo. Permission is granted to copy, distribute, and/or modify Wikipedia's text under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported License and, unless otherwise noted , the GNU Free Documentation License. unversioned, with no invariant ...
- Using Copyrighted Work from Others
- Linking to Copyrighted Works
- Copyright Violations
- Guidelines For Images and Other Media Files
- Works by The United States Federal Government
- Works by State Governments of The United States
- Re-Use of Text
- Re-Use of non-text Media
- Non-Free Materials and Special Requirements
All creative works are copyrighted, by international agreement, unless either they fall into the public domain or their copyright is explicitly disclaimed. Generally, Wikipedia must have permission to use copyrighted works. There are some circumstances under which copyrighted works may be legally utilized without permission; see Wikipedia:Non-free ...
Since most recently-created works are copyrighted, almost any Wikipedia article which cites its sources will link to copyrighted material. It is not necessary to obtain the permission of a copyright holder before linking to copyrighted material, just as an author of a book does not need permission to cite someone else's work in their bibliography. ...
Contributors who repeatedly post copyrighted material despite appropriate warnings may be blocked from editing by any administratorto prevent further problems. If you suspect a copyright violation, you should at least bring up the issue on that page's discussion page. Others can then examine the situation and take action if needed. Some cases will ...
Images, photographs, video and sound files, like written works, are subject to copyright. Someone holds the copyright unless the work has explicitly been placed in the public domain. Images, video and sound files on the internet need to be licensed directly from the copyright holder or someone able to license on their behalf. In some cases, fair us...
Works produced by civilian and military employees of the United Statesfederal government in the scope of their employment are public domain by statute in the United States (though they may be protected by copyright outside the U.S.). It is not enough that the employee was working at the time; he/she must have made the work as part of his/her duties...
In contrast to the federal government, most state and local governments in the United States retain copyright to their employees' work. Such work is not in the public domain, so please make sure to check copyright informationbefore using it. The only Wikipedia content you should contact the Wikimedia Foundation about is the trademarked Wikipedia/Wi...
Attribution
1. To re-distribute text on Wikipedia in any form, provide credit to the authors either by including a) a hyperlink (where possible) or URLto the page or pages you are re-using, b) a hyperlink (where possible) or URL to an alternative, stable online copy which is freely accessible, which conforms with the license, and which provides credit to the authors in a manner equivalent to the credit given on this website, or c) a list of all authors. (Any list of authors may be filtered to exclude ver...
Copyleft/Share Alike
1. If you make modifications or additions to the page you re-use, you must license them under the Creative Commons Attribution-ShareAlike 4.0 International License or later.
Indicate changes
1. If you make modifications or additions, you must indicate in a reasonable fashion that the original work has been modified. If you are re-using the page in a wiki, for example, indicating this in the page history is sufficient.
Where not otherwise noted, non-text media files are available under various free culture licenses, consistent with the Wikimedia Foundation Licensing Policy. Please view the media description page for details about the license of any specific media file.
Wikipedia articles may also include quotations, images, or other media under the U.S. Copyright law "fair use" doctrine in accordance with our guidelines for non-free content. In Wikipedia, such "fair use" material should be identified as from an external source by an appropriate method (on the image description page, or history page, as appropriat...
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Apr 26, 2024 · This page is just a brief overview of copyright laws. It is not an authority on the law or Wikisource policy. Copyright status can be quite complicated; please refer to the linked pages for more detailed information. This table gives a very rough breakdown of the possible copyright status of a work.
Jul 28, 2020 · By Nguyễn Văn Hiếu 28/07/2020. This entry is part 28 of 29 in the series Python Không Khó. Trong bài chia sẻ này, Lập Trình Không Khó sẽ trình bày một số kiến thức liên quan tới việc xử lý tiếng Việt trong Python phục vụ cho các bài toán liên quan đến dữ liệu tiếng Việt (có dấu), đặc biệt là các bài toán trong lĩnh vực xử lý ngôn ngữ tự nhiên.
May 11, 2024 · Wikimedia Commons only accepts media. that are explicitly freely licensed, or. that are in the public domain in at least the United States and in the source country of the work. Wikimedia Commons does not accept fair use justifications: see Commons:Fair use. Media licensed exclusively under non-commercial only licenses (like CC BY-NC-SA) are ...
Wikipedia:Copyrights: the main Wikipedia copyright information page, covering both the copyrights Wikipedia applies to its contents, and the copyright handling of third party material used within Wikipedia or uploaded by individuals to the Wikipedia site.
Feb 13, 2017 · Creative Commons (CC) is a 501 (c) (3) nonprofit corporation that develops legal and technical tools used by individuals, cultural, educational, and research institutions, governments, and companies worldwide to overcome barriers to sharing and innovation. CC licenses and public domain tools are easy to understand and use, with 1) a human ...
