rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
rdfs:label
ベトナム
Vietnam
ts:dbpedia
http://dbpedia.org/resource/Vietnam
ts:label
ベトナム
ts:reference
https://ja.wikipedia.org/wiki/%E5%85%83%E5%8F%B7#.E3.83.99.E3.83.88.E3.83.8A.E3.83.A0
https://en.wikipedia.org/wiki/Vietnam