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== History ==
[[File:Métamodèle, modèle et original.png|thumb|A chart showing the instantiations and representation links between a metamodel, a model and an original|250px|right]]The first tools to support MDE were the Computer-Aided Software Engineering ([[Computer Aided Software Engineering|CASE]]) tools developed in the 1980s. Companies like Integrated Development Environments (IDE - StP), Higher Order Software (now Hamilton Technologies, Inc., HTI), Cadre Technologies, [[Charles Bachman#Bachman Information Systems|Bachman Information Systems]], and [[Logic Works]] (BP-Win and ER-Win) were pioneers in the field.
The US government got involved in the modeling definitions creating the [[IDEF]] specifications. With several variations of the modeling definitions (see [[Booch method|Booch]], [[Object-modeling technique|Rumbaugh]], [[Object-oriented software engineering|Jacobson]], Gane and Sarson, [[State diagram#Harel statechart|Harel]], [[Shlaer-Mellor|Shlaer and Mellor]], and others) they were eventually joined creating the [[Unified Modeling Language]] (UML). [[Rational Rose]], a product for UML implementation, was done by Rational Corporation (Booch) responding automation yield higher levels of abstraction in software development. This abstraction promotes simpler models with a greater focus on problem space. Combined with executable semantics this elevates the total level of automation possible. The [[Object Management Group]] (OMG) has developed a set of standards called [[model-driven architecture]] (MDA), building a foundation for this advanced architecture-focused approach.
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