Rules

• Name: The value shall be non-empty.

  The name of an Information Entity should in one or a few words capture the concept rerpesented by by the entity.

  The name should normally be a noun or compound none.

Recommendations

• Documentation: The value should be non-empty.

  A short description of the real-world concept captured in the Information Entity.

• Abstract: The value can be anything.

  An abstract Information Entity represents an entity that must not be instantiated. Instead it must be inherited by at least one Information Entity that is not abstact.

Information Model (Model)

Rules

• Arbitrary number of elements of the following kinds:
  • Association Role (Association End)

    Represents the role an Information Entity plays in an association towards another Information Entity.

  • Information Attribute (Attribute)

    An Information Attribute is holding details about an Information Entity.

  • Owner Role (Association End)

    The Owner Role represents the role an Information Entity plays when its instances consist of instances of another Information Entity.

  • Part Role (Association End)

    A Part Role represents the role an Information Entity plays when its instances is part of an instance of another entity.

Rules

• Arbitrary number of Information Entity Inheritance (Generalization)

  Captures the taxonomy between Information Entities.

  An Information Entity inheriting another Information Entity means that that all attributes and relations are inherited.

• Can be the value of the Type property of elements of the following kinds:
  • Association Role (Association End)
  • Information Attribute (Attribute)
  • Owner Role (Association End)
  • Part Role (Association End)
• Can be the Target of Information Entity Inheritance (Generalization)