<http://schema.org/headline>
"9/12\uFF5E15\u958B\u50AC\u300CPyCon JP 2014\u300D\u306BPepper\u304C\u767B\u5834\uFF1A\u30A4\u30F3\u30D5\u30A9\u30E1\u30FC\u30B7\u30E7\u30F3"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/news/info/2014/09/0201>