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The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to ...
Android (operating system) Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. Android is developed by a consortium of developers known as the Open Handset Alliance, though its most widely used ...
Lidar ( / ˈlaɪdɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
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Editors of the English Wikipedia have pioneered some ideas as conventions, policies or features which were later adopted by Wikipedia editions in some of the other languages. These ideas include "featured articles", the neutral-point-of-view policy, navigation templates, the sorting of short "stub" articles into sub-categories, dispute resolution m...
The English Wikipedia reached 4,000,000 registered user accounts on 1 April 2007, over a year since the millionth Wikipedianregistered an account in February 2006. Over 1,100,000 editors have edited Wikipedia more than 10 times.Over 30,000 editors perform more than 5 edits per month, and over 3,000 perform more than 100 edits per month. On 1 March ...
English varieties
One controversy in the English Wikipedia concerns which national variety of the English language is to be preferred, two candidates being American English and British English. Suggestions range from standardizing upon a single form of English to forking the English Wikipedia project.[citation needed]A style guideline states, "the English Wikipedia has no general preference for a major national variety of the language" and "an article on a topic that has strong ties to a particular English-spe...
Disputed articles
A 2013 study from Oxford University concluded that the most disputed articles on the English Wikipedia tended to be broader issues, while on other language Wikipedias the most disputed articles tended to be regional issues; this is due to the English language's status as a global lingua franca, which means that some who edit the English Wikipedia have English as their second language. The study stated that the most disputed entries on the English Wikipedia were: George W. Bush, anarchism, Muh...
Threats against high schools
Incidents of threats of violence against high schools on Wikipedia have been reported in the press. The Glen A. Wilson High School was the subject of such a threat in 2008, and a 14-year-old was arrested for making a threat against Niles West High Schoolon Wikipedia in 2006.
A "WikiProject" is a group of contributors who want to work together as a team to improve Wikipedia. These groups may focus on a specific topic area (for example, women's history), a specific location or a specific kind of task (for example, checking newly created pages). As of August 2022, the English Wikipedia had over 2,000 WikiProjects, for whi...
Community-produced news publications include The Signpost. The Signpost (previously known as The Wikipedia Signpost) is the English Wikipedia's newspaper. It is managed by the Wikipedia community and is published online weekly.Each edition contains stories and articles related to the Wikipedia community. The publication was founded in January 2005 ...
Ayers, Phoebe; Matthews, Charles; Yates, Ben (2008). "12. Community and Communication §§ Communicating with Other Editors". How Wikipedia Works: And how You Can be a Part of it. No Starch Press. pp...Hoffman, David A.; Mehra, Salil (2010). "Wikitruth Through Wikiorder". Emory Law Journal. 59(2010).Hyatt, Josh. "Secrets of Greatness: Great Teams". Fortune. 1 June 2006.Lih, Andrew (2009). The Wikipedia Revolution: How a Bunch of Nobodies Created the World's Greatest Encyclopedia (First ed.). New York City: Hyperion. ISBN 978-1-4013-0371-6.(alkaline paper).English Wikipedia on Meta-WikiWikipedia is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.Wikipedia is the largest and most-read reference work in history, and is consistently ranked among the ten most visited websites; as of April 2024, it was ranked fourth by Semrush, and seventh by Similarweb.
A uniform resource locator (URL), colloquially known as an address on the Web,[1] is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI),[2][3] although many people use the two terms interchangeably.[4][a] URLs occur most ...
The Kalman filter keeps track of the estimated state of the system and the variance or uncertainty of the estimate. The estimate is updated using a state transition model and measurements. x ^ k ∣ k − 1 {\displaystyle {\hat {x}}_{k\mid k-1}} denotes the estimate of the system's state at time step k before the k-th measurement yk has been ...
