<http://schema.org/keywords>
"Mariners"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.heraldnet.com/article/20140630/BLOG06/140639937/1056/Walker-makes-his-2014-debut-for-Mariners-and-Seager-earns-player-of-the-week-honors>