<http://schema.org/keywords>
"\u7537\u5973\u96C7\u7528\u6A5F\u4F1A\u5747\u7B49\u6CD5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2016/05/25/lgbt-sexual-harrassment_n_10136954.html>