| http://www.w3.org/ns/prov#value | - For example, computers are being programmed to take news headlines into account when executing trades, and media companies including Dow Jones & Co., publisher of The Wall Street Journal, and Reuters Group have begun releasing news in computer-readable formats that cater to them.Mr. Cummings's strategy -- which is shorter term than most and is highly reliant on speed -- was made possible by the gr
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