<http://schema.org/headline>
"\u6B27\u6D32\u516C\u53F8\u503A\u5E02\u573A\u6DA8\u52BF\u6216\u6682\u544A\u4E00\u6BB5\u843D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://chinese.wsj.com/gb/20130220/hrd104256.asp?source=UpFeature>