rdfs:member
http://hosi.org/ts/When/BasicTypes/M17n
龍徳
ts:dbpedia
http://ja.dbpedia.org/resource/龍徳_(五代後梁)
ts:label
龍徳
ts:reference
https://ja.wikipedia.org/wiki/%E9%BE%8D%E5%BE%B3_%28%E4%BA%94%E4%BB%A3%E5%BE%8C%E6%A2%81%29