<http://schema.org/headline>
"\u79FB\u52D5\u5F0F\u5927\u578B\u5B87\u5B99\u4F53\u611F\u30B7\u30A2\u30BF\u30FC\u300CSPACE BALL\u300D\u30018\u670820\u65E5\u304B\u3089\u8C4A\u6D32\u3067\u4E0A\u6620"^^<http://www.w3.org/2001/XMLSchema#string>
<http://internetcom.jp/webtech/20130723/7.html>