<http://schema.org/keywords>
"sports football,Changchun,North Korea,Beijing,Korea,Kim Jong,news world,trip to China,Pyongyang,Jilin Province, video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2011/05/21/kim-jong-il-spotted-during-china-trip?videoId=211002031&videoChannel=1>