<http://schema.org/keywords>
"Inagawa-kai, Yamanashi, \u30E4\u30AF\u30B6, \u66B4\u529B\u56E3, \u7A32\u5DDD\u4F1A"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tokyoreporter.com/2013/04/20/more-gun-shots-in-yamanashi-believed-linked-to-yakuza-battle/>