rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
白亜紀
Cretaceous
ts:dbpedia
http://ja.dbpedia.org/resource/白亜紀
http://dbpedia.org/resource/Cretaceous
ts:label
Cretaceous
ts:reference
https://ja.wikipedia.org/wiki/%E7%99%BD%E4%BA%9C%E7%B4%80
https://en.wikipedia.org/wiki/Cretaceous