<http://schema.org/keywords>
"belly putters"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.golfdigest.com/story/belly-putters-history-diaz?/golf-equipment/2011-12/belly-putters-history-diaz&/golf-equipment/2011-12/belly-putters-history-diaz>