rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
漸新世
Oligocene
ts:dbpedia
http://ja.dbpedia.org/resource/漸新世
http://dbpedia.org/resource/Oligocene
ts:label
Oligocene
ts:reference
https://ja.wikipedia.org/wiki/%E6%BC%B8%E6%96%B0%E4%B8%96
https://en.wikipedia.org/wiki/Oligocene