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MediaWiki is a free and open-source wiki application. It was originally developed by the Wikimedia Foundation and runs on many websites, including Wikipedia, Wiktionary and Wikimedia Commons.〔 It is written in the PHP programming language and uses a backend database. The first version of the software was deployed to serve the needs of the Wikipedia encyclopedia in 2002.〔 Wikipedia and other Wikimedia projects continue to define a large part of the requirement set for MediaWiki.〔(【引用サイトリンク】title=What is MediaWiki? )〕 The software is optimized to efficiently handle large projects, which can have terabytes of content and hundreds of thousands of hits per second.〔 Because Wikipedia is one of the world's largest websites, achieving scalability through multiple layers of caching and database replication has been a major concern for developers. The software has more than 800 configuration settings and more than 2,000 extensions available for enabling various features to be added or changed. On Wikipedia alone, more than 1000 automated and semi-automated bots and other tools have been developed to assist in editing. It has also been deployed by some companies as an internal knowledge management system, and some educators have assigned students to use MediaWiki for collaborative group projects. ==License== MediaWiki is free and open source software and is distributed under the terms of the GNU General Public License version 2 or any later version while its documentation is released under the Creative Commons BY-SA 3.0 license and partly in the public domain.〔(【引用サイトリンク】 MediaWiki.org Project:Copyrights )〕 Specifically, the manuals and other content at MediaWiki.org are Creative Commons-licensed, while the set of help pages intended to be freely copied into fresh wiki installations and/or distributed with MediaWiki software is public domain. This was done to eliminate legal issues arising from the help pages being imported into wikis with licenses that are incompatible with the Creative Commons license. MediaWiki development has generally favored the use of open-source media formats. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MediaWiki」の詳細全文を読む スポンサード リンク
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