<http://schema.org/keywords>
"indycar IndyCar drivers 2016 olympics rio olympics summer olympics rio de janeiro tony kanaan h\u00E9lio castroneves Jacarepagu\u00E1 racetrack"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/racing/2016/08/12/rio-olympics-brazil-indy-car-drivers>