Archetype
Evaluation
ItemTree
ItemStructure
Element
Item
Locatable
Pathable
DvText
DvTemporal
DvAbsoluteQuantity
DvQuantified
DvOrdered
DvDate
Cluster
DvUri
DvInterval
DvCount
DvAmount
CDvQuantity 
CDomainType
CDefinedObject
CObject
CodePhrase
ObjectRef
ArchetypeOntology