<http://schema.org/keywords>
"Middle East"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/article/2012/08/24/us-nuclear-iran-enrichment-idUSBRE87M0TE20120824?feedType=RSS&feedName=Iran&virtualBrandChannel=10209&dlvrit=59365>