<http://schema.org/headline>
"\u30B9\u30DE\u30FC\u30C8\u30D5\u30A9\u30F3\u5BFE\u5FDC\u30E9\u30A4\u30F3\u30DE\u30FC\u30AB\u30FC\u3092\u767A\u58F2"^^<http://www.w3.org/2001/XMLSchema#string>
<http://prtimes.jp/main/html/rd/p/000000009.000002857.html>