<http://schema.org/articleSection>
"\u9023\u90A6\u6E96\u5099\u5236\u5EA6\u7406\u4E8B\u4F1A"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2016/09/22/federal-reserve_n_12131050.html>