<http://schema.org/headline>
"\u305F\u308B\u3093\u3060\u4E8C\u306E\u8155\u306F\u3082\u3046\u898B\u305F\u304F\u306A\u3044\uFF01\u30DE\u30C3\u30B5\u30FC\u30B8\u3067\u7C21\u5358\u306B\u30D7\u30E8\u30D7\u30E8\u5352\u696D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/20405>