• http://ja.wcontology.org/resource/Category:テムズ川水系 ( describe )
    • http://wcontology.org/core#narrower ( describe )
      • http://ja.wcontology.org/resource/Category:北海
  • http://ja.wcontology.org/resource/Category:北海の島 ( describe )
    • http://wcontology.org/core#usedForConstraint ( describe )
      • http://ja.wcontology.org/resource/Category:北海
  • http://ja.wcontology.org/resource/Category:エルベ川水系 ( describe )
    • http://wcontology.org/core#narrower ( describe )
      • http://ja.wcontology.org/resource/Category:北海
  • http://ja.wcontology.org/resource/Category:ライン川水系 ( describe )
    • http://wcontology.org/core#narrower ( describe )
      • http://ja.wcontology.org/resource/Category:北海
  • http://ja.wcontology.org/resource/Category:ヴェーザー川水系 ( describe )
    • http://wcontology.org/core#narrower ( describe )
      • http://ja.wcontology.org/resource/Category:北海
  • http://ja.wcontology.org/resource/Category:北海 ( describe )
    • http://www.w3.org/2002/07/owl#sameAs ( describe )
      • http://en.wcontology.org/resource/Category:North_Sea
      • http://ja.dbpedia.org/resource/Category:北海
    • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
      • http://wcontology.org/core#topicCategory
    • http://wcontology.org/core#instanceOf ( describe )
      • http://ja.wcontology.org/resource/Category:ヨーロッパの海域
      • http://ja.wcontology.org/resource/Category:大西洋の海域
    • http://wcontology.org/core#narrower ( describe )
      • http://ja.wcontology.org/resource/Category:北欧
      • http://ja.wcontology.org/resource/Category:西欧
    • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
      • http://ja.wikipedia.org/wiki/Category:北海?oldid=63415208