A hierarchy in which a set of concept model attributes are linked to a more general attribute.

Attribute hierarchies are represented in release files:
- as subtype relationships in the relationship file.
- as OWL SubObjectPropertyOf() axioms in the OWL Expression Reference Set file.

Attribute hierarchy for "Proper part of"

774081006 |Proper part of|
      733931002 |Constitutional part of|
      733930001 |Regional part of|
      733932009 |Systemic part of|
Attribute hierarchy represented as three "is a" relationships

733931002 |Constitutional part of|     116680003 |is a|    774081006 |Proper part of|
733930001 |Regional part of|             116680003 |is a|    774081006 |Proper part of|
733932009 |Systemic part of|             116680003 |is a|    774081006 |Proper part of|

Attribute hierarchy represented by three OWL expressions

SubObjectPropertyOf(:733930001 :774081006)
SubObjectPropertyOf(:733931002 :774081006)
SubObjectPropertyOf(:733932009 :774081006)

Related Links

attribute hierarchy