<http://schema.org/keywords>
"\u30A2\u30F3\u30C9\u30ED\u30B2\u30F3\u904E\u5270\u75C7"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/silvia-camporesi/caster-semenya_b_11635928.html>