• http://ja.wcontology.org/resource/Category:ミレニアム懸賞問題 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://en.wcontology.org/resource/Category:Millennium_Prize_Problems
    • http://ja.dbpedia.org/resource/Category:ミレニアム懸賞問題
  • 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:数学のオープンプロブレム
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:ミレニアム懸賞問題?oldid=64640927