<http://schema.org/keywords>
"North Korea,South Korea's defense ministry,Korea,news world,Kim Jung,South Korea,Pyongyang, video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2013/03/08/north-korean-leader-visits-frontline?videoId=241528791&videoChannel=2602>