• http://ja.wcontology.org/resource/Category:日本の炭田 ( describe )
  • http://wcontology.org/core#addConstraint ( describe )
    • http://ja.wcontology.org/resource/Category:炭田
• http://ja.wcontology.org/resource/Category:炭田 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://ja.dbpedia.org/resource/Category:炭田
    • http://en.wcontology.org/resource/Category:Coal_mines
  • 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:石炭
    • http://ja.wcontology.org/resource/Category:石炭関連企業
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:炭田?oldid=47401588
  • http://wcontology.org/core#subClassOf ( describe )
    • http://ja.wcontology.org/resource/Category:鉱物別の鉱山