Daoust Associates
Information Modeling and System Integration:
Consulting and Training
| Item | Value |
|---|---|
| Relation name | is type of |
| Synonym(s) | is subtype of |
| Definition (informal) | every instance of the source is also inherently an instance of the target |
| Definition (formal) | |
| Source entity | is below the target in their entity hierarchy |
| Target entity | is above the source in their entity hierarchy |
| Example(s) | snow storm is a type of storm; human being is a type of mammal |
| Note | |
| Reverse relation name | has type |
| Reverse relation synonym(s) | has subtype, is supertype of |
| Reverse Example(s) | vehicle has type bicycle |
| Reverse Note | |
| Category | typehood |