<http://schema.org/keywords>
"\u30A2\u30A4\u30B9\u30AD\u30E3\u30F3\u30C7\u30A3\u30FC"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2016/07/21/meet-popsicle-ny_n_11101974.html>