<http://schema.org/headline>
"iPod nano/classic \u753B\u9762\u306E\u660E\u308B\u3055\u3092\u8ABF\u7BC0\u3059\u308B\u65B9\u6CD5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/1198>