| Categorized Class |
ElementAn Element is an elementary constituent of a model. It is the top level abstraction of the SysFEAT upper ontology. |
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| Name | Description |
|---|---|
Entity |
An Entity is a distinct, identifiable Element that has a proper existence (living or non living). It is accessible by some referencing mechanism and can establish elementary relationships (Relationship) to other Entitys. The Entity class is the powerinstance of Class of Entity: all subtypes of Entity are instances of Class of Entity. |
Relationship |
A Relationship is the reification of a Kuratowski's ordered pair of the Elementary Graph, as an Element that represents a directed connection between a source Entity and a target Entity. Relationships are nested within their source Entity. (principle of locality). |