<http://schema.org/headline>
"\u3053\u3093\u306A\u30D7\u30EC\u30BC\u30F3\u30C4\u30FC\u30EB\u304C\u6B32\u3057\u3044\uFF01\uFF01\uFF01 - @bayashi Diary"^^<http://www.w3.org/2001/XMLSchema#string>
<https://bayashi.net/diary/2011/1009>