<http://schema.org/keywords>
"tom watson"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.golfdigest.com/story/tom-watson-knows-how-old-he-is?/blogs/the-loop/2014/07/tom-watson-knows-how-old-he-is.html&/blogs/the-loop/2014/07/tom-watson-knows-how-old-he-is.html>