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Wikimedia Commons
Wikimedia Commons
(or simply Commons) is an online repository of free-use images, sound, and other media files.[1] It is a project of the Wikimedia Foundation. Files from Wikimedia Commons
Wikimedia Commons
can be used across all Wikimedia projects[2] in all languages, including, Wikibooks, Wikivoyage, Wikispecies, Wikisource, and Wikinews, or downloaded for offsite use. As of 2018, the repository contains over 44 million free media files, managed and editable by registered volunteers.[3] In July 2013, the number of edits on Commons reached 100,000,000.[4]

Contents

1 History 2 Policies 3 Controversial content 4 Utilities 5 Quality 6 Content figures 7 See also 8 References 9 External links

History[edit] The project was proposed by Erik Möller
Erik Möller
in March 2004[5] and launched on September 7, 2004.[6][7] A key motivation behind the setup of a central repository was the desire to reduce duplication of effort across the Wikimedia projects and languages, as the same file had to be uploaded to many different wikis separately before Commons was created. Policies[edit] The aim of Wikimedia Commons
Wikimedia Commons
is to provide a media file repository "that makes available public domain and freely-licensed educational media content to all, and that acts as a common repository for the various projects of the Wikimedia Foundation." The expression "educational" is to be understood according to its broad meaning of "providing knowledge; instructional or informative".[8] Most Wikimedia projects still allow local uploads which are not visible to other projects or languages, but this option is meant to be used primarily for material (such as fair use content) which local project policies allow, but which would not be permitted according to the copyright policy of Commons. Wikimedia Commons
Wikimedia Commons
itself does not allow fair use or uploads under non-free licenses, including licenses which restrict commercial use of materials or disallow derivative works. For this reason, Wikimedia Commons
Wikimedia Commons
always hosts freely licensed media and deletes copyright violations. Licenses that are acceptable include the GNU Free Documentation License, Creative Commons Attribution and Attribution/ShareAlike licenses,[9] other free content and free software licenses, and the public domain. The default language for Commons is English, but registered users can customize their interface to use any other available user interface translations. Many content pages, in particular policy pages and portals, have also been translated into various languages. Files on Wikimedia Commons
Wikimedia Commons
are categorized using MediaWiki's category system. In addition, they are often collected on individual topical gallery pages. While the project was originally proposed to also contain free text files, these continue to be hosted on a sister project, Wikisource. Controversial content[edit] The site has been criticized for hosting large amounts of amateur pornography, often uploaded by exhibitionists who exploit the site for personal gratification, and who are enabled by sympathetic administrators.[10] In 2012, BuzzFeed
BuzzFeed
described Wikimedia Commons
Wikimedia Commons
as "littered with dicks".[11] In 2010, co-founder Larry Sanger
Larry Sanger
reported Wikimedia Commons to the FBI for hosting sexualized images of children known as "lolicon". After this was reported in the media, Jimmy Wales, founder of the Wikimedia Foundation
Wikimedia Foundation
which hosts Commons, used his administrator status to delete several images without discussion from the Commons community. Wales responded to the backlash from the Commons community by voluntarily relinquishing some site privileges, including the ability to delete files.[12] Utilities[edit] Over time, additional functionality has been developed to interface Wikimedia Commons
Wikimedia Commons
with the other Wikimedia projects. Daniel Kinzler wrote applications for finding appropriate categories for uploaded files ("CommonSense"), determining the usage of files across the Wikimedia projects ("CheckUsage"), locating images with missing copyright information ("UntaggedImages"), and relaying information about administrative actions such as deletions to the relevant wikis ("CommonsTicker"). Specialized uploading tools and scripts such as "Commonist" have been created to simplify the process of uploading large numbers of files. In order to review free content photos uploaded to Flickr, users can participate in a defunct collaborative external review process ("FlickrLickr"), which has resulted in more than 10,000 uploads to Commons.[13][not in citation given][dead link] Quality[edit]

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The site has three mechanisms for recognizing quality works. One is known as "Featured pictures", where works are nominated and other community members vote to accept or reject the nomination. This process began in November 2004. Another process known as "Quality images" began in June 2006, and has a simpler nomination process comparable to "Featured pictures". "Quality images" only accepts works created by Wikimedia users, whereas "Featured pictures" additionally accepts nominations of works by third parties such as NASA. A third image assessment project, known as "Valued images", began on June 1, 2008 with the purpose of recognising "the most valued illustration of its kind", in contrast to the other two processes which assess images mainly on technical quality. The three mentioned processes select a slight part (less than 0.1%) from the total number of files. However, Commons collects files of all quality levels, from the most professional level across simple documental and amateur files up to files of very poor quality. Generally, Commons is not a competition but a collection; a quality of the description and organization of files and their descriptive and informational benefits are often more relevant than technical or artistic perfection of the files. Files with specific defects can be tagged for improvement and warning or even proposed for deletion but there exists no process of systematic rating of all files. The site held its inaugural "Picture of the Year" competition, for 2006. All images that were made a Featured picture during 2006 were eligible, and voted on by eligible Wikimedia movement
Wikimedia movement
members during two rounds of voting. The winning picture was a picture of the Aurora Borealis over snowlands, taken by an airman from the U.S. Air Force. The competition has since become an annual event.

Wikimedia Commons
Wikimedia Commons
Pictures of the Year

2006 

2007 

2008 

2009 

2010 

2011 

2012 

2013 

2014 

2015 

2016 

Content figures[edit]

As of January 2015, there are well over 5.2M geolocated images in Wikimedia Commons. Mapping these shows significant variance in image numbers over the globe.

Growth of Wikimedia Commons

Source: commons:Commons:Milestones

November 30, 2006: 1 million media files September 2, 2009: 5 million media files April 15, 2011: 10 million media files December 4, 2012: 15 million media files July 14, 2013: 100,000,000 edits[4] January 25, 2014: 20 million media files January 13, 2016: 30 million media files June 21, 2017: 40 million media files Current figures: commons:Special:Statistics

See also[edit]

Creative Commons – a project providing a set of content licenses and a directory of works using them Internet Archive – an online collection of videos, documents and webpages Project Gutenberg – the largest freely accessible collection of documents (including books and sheet music) Reporting of child pornography images on Wikimedia Commons

References[edit]

^ Endres, Joe, "Wiki websites wealth of information". International News on Fats, Oils and Related Materials : INFORM. Champaign, Illinois: May 2006. Vol. 17, Iss. 5; pg. 312, 1 pgs. Source type: Periodical ISSN 0897-8026 ProQuest document ID: 1044826021 Text Word Count 746 Document URL: Proquest URL ProQuest (subscription) retrieved August 6, 2007 ^ "Embedding Commons' media in Wikimedia projects". Wikimedia Commons. Retrieved August 7, 2007.  ^ Statistics page on Wikimedia Commons ^ a b ÄŒesky (July 15, 2013). "100,000,000th edit". Commons.wikimedia.org. Retrieved August 22, 2013.  ^ Möller, Erik (March 19, 2004). "[Wikipedia-l] Proposal: commons.wikimedia.org". Retrieved August 7, 2007.  ^ "Main Page". Wikimedia Commons. September 7, 2004. Retrieved August 7, 2007.  ^ "Wikimedia Commons: Über 100.000 freie Bilder, Töne und Filme" (in German). Golem.de. May 25, 2005. Retrieved August 7, 2007.  ^ "Commons:Project scope". Wikimedia Commons
Wikimedia Commons
editors. Retrieved January 26, 2014.  ^ See Creative Commons
Creative Commons
licenses, of which "NonCommercial" and "NoDerivs" can not be used on Wikimedia Commons. ^ "The Daily Dot – How Wikimedia Commons
Wikimedia Commons
became a massive amateur porn hub".  ^ "The Epic Battle For's Autofellatio Page".  ^ "Wikimedia's Wales gives up some top-level controls Internet & Media - CNET News".  ^ "FlickrLickr image upload count". tools.wikimedia.de. Retrieved July 30, 2017. 

External links[edit]

Find more aboutWikimedia Commonsat's sister projects

Media from Wikimedia Commons Textbooks from Wikibooks Learning resources from Wikiversity Data from Wikidata Discussion from Meta-Wiki

Official website Mirror of Wikimedia Commons
Wikimedia Commons
by WikiTeam

v t e

Wikimedia Foundation

People

Current

Aaron Halfaker James Heilman Dariusz Jemielniak Katherine Maher Jimmy Wales

Past

Hampton Catlin Danese Cooper Bishakha Datta Florence Devouard Oscar van Dillen Sue Gardner Arnnon Geshuri Mike Godwin Guy Kawasaki Erik Möller Lila Tretikov Luis Villa Patricio Lorente

Content projects

Wikipedia

List ofs

Wiktionary

List of Wiktionaries

Wikimedia Commons Wikidata Wikiquote Wikibooks Wikisource Wikispecies Wikinews Wikiversity Wikivoyage

Other

Wikimedia movement

List of Wikimedia chapters

Wikimania MediaWiki Litigation

Wikimedia v. NSA

Knowledge Engine

Related<

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