rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
永初
ts:dbpedia
http://ja.dbpedia.org/resource/永初_(南朝宋)
ts:label
永初
ts:reference
https://ja.wikipedia.org/wiki/%E6%B0%B8%E5%88%9D_%28%E5%8D%97%E6%9C%9D%E5%AE%8B%29