The Associated Press is proposing that publishers attach descriptive tags to news articles online in hopes of taming the free-for-all of news and information on the Web and generating more traffic for established media brands. Tags identifying the author, publisher and other information — as well as any usage restrictions publishers hope to place on copyright-protected materials — would be packaged with each news article in a way that search engines can more easily identify. By doing so, the AP hopes to make it easier for readers to find articles from more established news providers amid the ever-expanding pool of...