Metamodeling languages: Inclusion

• An inclusion relationship can exist between a graph type and its components (i.e. object, relationship, and role types).

• Inclusion is used to combine all the main components of a technique.

• Inclusion is many-to-many, so that the same type can belong to many graph types.

• Graph forms an unit for some rules:

  • cardinality
  • connectivity
  • explosions

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