rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
昭和
Shōwa
S
ts:dbpedia
http://ja.dbpedia.org/resource/昭和
http://dbpedia.org/resource/Shōwa_period
ts:label
昭和
ts:reference
https://ja.wikipedia.org/wiki/%E6%98%AD%E5%92%8C
https://en.wikipedia.org/wiki/Sh%C5%8Dwa_period