rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
冥王代
Hadean
ts:dbpedia
http://ja.dbpedia.org/resource/冥王代
http://dbpedia.org/resource/Hadean
ts:label
Hadean
ts:reference
https://ja.wikipedia.org/wiki/%E5%86%A5%E7%8E%8B%E4%BB%A3
https://en.wikipedia.org/wiki/Hadean