Wikipedia Logo — Wikipedia is an encyclopedia free and polyglot of the Wikimedia Foundation (a nonprofit organization ). His over 20 million articles in 282 languages and dialects have been drafted jointly by volunteers from around the world, and virtually anyone with access to the project can be edited.Launched in January 2001 by Jimmy Wales and Larry Sanger , is the largest and most popular online reference work.

Since its inception, Wikipedia has not only gained in popularity, is among the 10 websites most popular in the world — September 10 but its success has given rise to sister projects . However, there are many detractors. Among them, some have been accused of systemic bias and inconsistencies, with criticism focused on what some, like himself Larry Sanger , have agreed to call “anti-elitism ‘ and is not simply the project’s policy encyclopedicto promote consensus on the credentials in its editorial process . Other criticisms have focused on their susceptibility to being vandalized and the appearance of spurious information or lack of verification, although studies scholars suggest that vandalism is generally disposed promptly.

There is also controversy over its reliability and accuracy. In this sense, the scientific journal Nature said in December 2005 that the English Wikipediawas nearly as accurate in Articles scientists as the Encyclopaedia Britannica . Moreover, and as stated in a report published in June 2009 by the Spanish newspaper El Pais , a study conducted in 2007 by Pierre Assouline, a French journalist, and conducted by a group of students of the Masters of Journalism at the Institute of Political Studies in Paris to discuss the reliability of project came in a book called The Wikipedia Revolution (Alliance), whose findings were quite critical. Among other things, declared that the study of Nature was weak and biased, and that in his own studio, the Britannicawas still 24% more reliable than Wikipedia.

Of the 282 editions , fifteen exceed the 300,000 The German version has been distributed on DVD-ROM , and intends to make an English version on DVDwith more than 2000 items. Many of the issues have been replicated via Internet (using ” mirrors “) and have Encyclopedias led to derivatives (bifurcations ) in other websites .

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