ORM/NIAM Object-Role Modeling

Object-Role Modeling (ORM) is method for modeling and querying an information system at the conceptual level, and mapping between conceptual and logical (e.g. relational) levels. ORM comes in various flavors, including NIAM (Natural language Information Analysis Method). This contribution provides an overview of ORM, and notes its advantages over Entity Relationship and traditional Object-Oriented modeling.

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