Online Encyclopedia Tightens Rules

By DAN GOODIN
Associated Press

SAN FRANCISCO - Wikipedia, the online encyclopedia that allows anyone to contribute articles, is tightening its rules for submitting entries following the disclosure that it ran a piece falsely implicating a man in the Kennedy assassinations. Wikipedia will now require users to register before they can create articles, Jimmy Wales, founder of the St. Petersburg, Fla.-based Web site, said Monday.