<http://schema.org/keywords>
"Akihabara, maid cafe, otaku, Shukan Jitsuwa, \u5927\u962A, \u79CB\u8449\u539F, \u98A8\u4FD7"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tokyoreporter.com/2011/02/08/osakas-otaku-oasis-favoring-fuzoku-frolic/>