<http://schema.org/keywords>
"US"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/article/2012/11/24/us-thailand-protest-idUSBRE8AN02A20121124?feedType=RSS&feedName=worldNews&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Reuters%2FworldNews+%28Reuters+World+News%29>