<http://schema.org/headline>
"\u672C\u5F53\u306F\u3057\u3093\u3069\u3044\uFF01\u8AB0\u306B\u3082\u8A00\u3048\u306A\u3044\u7523\u5F8C\u306E\u672C\u97F3\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<http://prtimes.jp/main/html/rd/p/000000573.000001227.html>