rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
シルル紀
Silurian
ts:dbpedia
http://ja.dbpedia.org/resource/シルル紀
http://dbpedia.org/resource/Silurian
ts:label
Silurian
ts:reference
https://ja.wikipedia.org/wiki/%E3%82%B7%E3%83%AB%E3%83%AB%E7%B4%80
https://en.wikipedia.org/wiki/Silurian