• http://ja.wcontology.org/resource/Category:オペラ歌手 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://ja.dbpedia.org/resource/Category:オペラ歌手
    • http://en.wcontology.org/resource/Category:Opera_singers
  • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
    • http://wcontology.org/core#setCategory
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:オペラ
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:オペラ歌手?oldid=47384892
  • http://wcontology.org/core#subClassOf ( describe )
    • http://ja.wcontology.org/resource/Category:ジャンル別の歌手
    • http://ja.wcontology.org/resource/Category:声楽家
• http://ja.wcontology.org/resource/Category:カストラート ( describe )
  • http://wcontology.org/core#subClassOf ( describe )
    • http://ja.wcontology.org/resource/Category:オペラ歌手
• http://ja.wcontology.org/resource/Category:各国のオペラ歌手 ( describe )
  • http://wcontology.org/core#addConstraint ( describe )
    • http://ja.wcontology.org/resource/Category:オペラ歌手