| http://www.w3.org/ns/prov#value | - 57 Fortune 500 companies (and other leading businesses, including Dell, Microsoft, IBM, Cisco Systems, American Express, General Electric, Pfizer, Halliburton, Xerox, Procter & Gamble, Sprint Nextel, United Airlines, Southwest Airlines, Intel, DuPont, Viacom, Shell Oil, and Wal-Mart)
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