<http://schema.org/keywords>
""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.news-journalonline.com/article/20121124/WIRE/121129892/0/APW?Title=Dolphins-Tannehill-Seahawks-Wilson-8212-both-rookies-8212-square-off-for-1st-time>