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WikiScanner (also known as Wikipedia Scanner) was a publicly searchable database that linked millions of anonymous edits on the free online encyclopedia Wikipedia to the organizations where those edits apparently originated, by cross-referencing the edits with data on the owners of the associated block of IP addresses (WikiScanner did not investigate edits made under a username.) It was created by Virgil Griffith and released on August 14, 2007. In his "WikiScanner FAQ" Griffith stated his belief that WikiScanner could help make Wikipedia more reliable for controversial topics. He also indicated that he had never been employed by the Wikimedia Foundation and claimed his work on WikiScanner was "100% noncommercial."〔 On December 21, 2012, a research group from released an open-source clone of WikiScanner called ''WikiWatchdog''.〔at (http://wikiwatchdog.com )〕 , attempts to run "WikiScanner Classic" from wikiscanner.virgil.gr returned to the WikiScanner home page, which identified itself as "WIKIWATCHER.COM"; and invoking "WikiScanner2 PreviewNew!" led to a "failure to load the page due to timeout" error.〔 Accessibility of WikiScanner can be checked on (the web page ) 〕 In the end, Virgil Griffith says he had to take wikiscanner.gr down, as it was costing him "several thousand USD per month" == Design == The tool's database contained 34,417,493 entries on anonymous edits (those by users who were not logged into Wikipedia) between February 7, 2002 and August 4, 2007.〔 Griffith stated that the database was constructed by compiling the anonymous edits included amongst the monthly public database dumps of Wikipedia. He claimed to have connected the organizations to their IP address with the assistance of the IP2Location, and through comparison had found "187,529 different organizations with at least one anonymous Wikipedia edit."〔 WikiScanner only worked on anonymous edits that provided an IP address, not edits by anyone logged-in under a username. It could also not distinguish between edits made by authorized users of an organization, unauthorized intruders, or users of public-access computers that may have been using an organization's network. In discussing edits made from computers in the Vatican, computer expert Kevin Curran was quoted by the BBC as saying that it was "difficult to determine if the person was an employee or if they had maliciously hacked into the Vatican system and were 'spoofing' the IP address." The WikiScanner FAQ noted that edits cannot be positively attributed to representatives of a company, only to a computer logged in to a company's network. The FAQ goes on to say there is no guarantee that an edit was made by an authorized user rather than an intruder.〔 The likelihood of such intrusions depend upon an organizations' network security, organizations such as the Vatican Library have public access terminals or networks. 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「WikiScanner」の詳細全文を読む スポンサード リンク
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