Type of site
|Created by||Wikimedia movement|
|Registration||Optional (required for uploading files)|
|Launched||September 7, 2004|
Files from Wikimedia Commons can be used across all Wikimedia projects in all languages, including Wikipedia, Wikivoyage, Wikisource, Wikiquote, Wiktionary, Wikinews, Wikibooks, and Wikispecies, or downloaded for offsite use. As of March 2021, the repository contains over 70 million free-to-use media files, managed and editable by registered volunteers. In July 2013, the number of edits on Commons reached 100,000,000.
The project was proposed by Erik Möller in March 2004 and launched on September 7, 2004. 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.
The aim of 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".
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 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 always hosts freely licensed media and deletes copyright violations. Licenses that are acceptable include the Creative Commons Attribution and Attribution/ShareAlike licenses, 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 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.
Relation to sister projects
Prior to the launch of Commons, images and other files were stored locally on each language version of Wikipedia, usually only those files that were used in local articles. After running Commons, some language versions of Wikipedia have moved all their media content to Commons and no longer allow local file uploads by default. Some language versions have not yet completed this process. However, some language versions have less stringent licensing requirements (for example, allowing fair use files) and therefore retain locally stored files and allow others to be uploaded. This also applies to some other sister projects (Wikibooks, Wikinews, Wikisource, Wikiversity, Wiktionary).
The Commons project has become not only a repository for other projects, but also an independent autonomous project, which in many topics contains much more detailed content and categorization structure than other projects. However, it is very closely linked to other projects, especially Wikipedia, using Wikidata and their interproject links. Wikidata also helps to internationalize category labels, using infoboxes.
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. In 2012, BuzzFeed described Wikimedia Commons as "littered with dicks".
In 2010, Wikipedia co-founder 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 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.
Over time, additional functionality has been developed to interface 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. At one time, in order to review free content photos uploaded to Flickr, users could participate in a now-defunct collaborative external review process ("FlickrLickr"), which resulted in more than 10,000 uploads to Commons.[failed verification][dead link]
There exists a community-maintained Commons Mobile App which allows uploading of photos that document the world, especially notable objects findable in the map in the Nearby List in the app (displaying Wikidata items with coordinates). The app launched in 2012 as an official Wikimedia app and since May 2016, it uses the official Wikimedia Commons name and logo.
Structured Data on Commons (SDC) is a three-year software development project funded by the Sloan Foundation to provide the infrastructure for Wikimedia Commons volunteers to organize data about media files in a consistent manner. This data is structured more, and is made machine-readable. The goals of the functionality are to make contributing to Commons easier by providing new ways to edit, curate, and write software for Commons, and to make general use of Commons easier by expanding capabilities in search and reuse.
This section does not cite any sources.(June 2010)
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 recognizing "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 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 Pictures of the Year
The Commons Picture of the Year (POTY) is a competition that was first run in 2006. It aims to identify the best freely licensed images from those that during the year have been awarded Featured picture status.
- 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
- January 25, 2014: 20 million media files
- January 13, 2016: 30 million media files
- June 21, 2017: 40 million media files
- October 7, 2018: 50 million media files
- Current figures: commons:Special:Statistics
- EuroOffice Online Clipart extension to use images from Wikimedia Commons 
- 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
- ^ 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
- ^ Yurik (November 2019). "Help:Tabular Data" . Commons.wikimedia.org. Retrieved March 29, 2019.
- ^ "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 editors. Retrieved January 26, 2014.
- ^ See Creative Commons licenses , of which "NonCommercial" and "NoDerivs" can not be used on Wikimedia Commons.
- ^ "The Daily Dot – How Wikimedia Commons became a massive amateur porn hub" .
- ^ "The Epic Battle For Wikipedia's Autofellatio Page" .
- ^ "Wikimedia's Wales gives up some top-level controls | Internet & Media - CNET News" . Archived from the original on October 25, 2012.
- ^ "FlickrLickr image upload count" . tools.wikimedia.de. Retrieved July 30, 2017.
- ^ https://wikimania2017.wikimedia.org/wiki/Submissions/Structured_Commons:_what_changes_are_coming%3F
- ^ https://commons.wikimedia.org/wiki/Commons:Structured_data
- ^ "Commons:Picture of the Year" . Wikimedia Commons. Retrieved April 8, 2020.
- ^ EuroOffice Online Clipart – EuroOffice/English
Information as of: 11.08.2021 03:54:12 CEST
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Changes: Design elements were rewritten. Wikipedia specific links (like "Redlink", "Edit-Links"), maps, niavgation boxes were removed. Also some templates. Icons have been replaced by other icons or removed. External links have received an additional icon.
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