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Despite TOGAF being considered as the de facto standard in an EA practice, it is not without its critics: Real examples demonstrating the actual practical usage of TOGAF's recommendations are missing: "There is a pressing need for some detailed worked examples and use cases.
A model conforms to its metamodel in the way that a computer program conforms to the grammar of the programming language in which it is written. Various types of metamodels include polynomial equations, neural networks, Kriging, etc. "Metamodeling" is the construction of a collection of "concepts" (things, terms, etc.) within a certain domain ...
In the following section "model" is interpreted as meaning any kind of model (e.g. a UML model) or metamodel (e.g. the CWM metamodel). In any MDA approach we have essentially two kinds of models: initial models are created manually by human agents while derived models are created automatically by programs.
Aspects of a business represented by a business architecture diagram [1]. In the business sector, business architecture is a discipline [citation needed] that "represents holistic, multidimensional business views of: capabilities, end-to-end value delivery, information, and organizational structure; and the relationships among these business views and strategies, products, policies ...
The common warehouse metamodel (CWM) defines a specification for modeling metadata for relational, non-relational, multi-dimensional, and most other objects found in a data warehousing environment. The specification is released and owned by the Object Management Group , which also claims a trademark in the use of "CWM".
As an example, the BIAN Metamodel is closely aligned to, and draws on parts of, the ISO20022 Meta Model for many of the detailed definitional aspects. These working partnerships mark a big step forward in BIAN’s commitment to complimentary standards collaboration. The TOGAF standard and the BIAN standard are mapped to each other.
These metamodels are the second layer (M2 model) and they describe the third layer (M1 laer). The last layer, the data layer is used to describe real objects. The metamodel must support the analysis of the activities of the value chain to support the identification of differentiators. The internal value chain should as such be part of the ...
The most prominent example of a Layer 2 MOF model is the UML metamodel, the model that describes the UML itself. These M2-models describe elements of the M1-layer, and thus M1-models. These would be, for example, models written in UML. The last layer is the M0-layer or data layer. It is used to describe real-world objects.