Modeling issues: a survival guide for a non-expert modeler
MODELS'10 Proceedings of the 13th international conference on Model driven engineering languages and systems: Part II
Joint language and domain engineering
ECMFA'10 Proceedings of the 6th European conference on Modelling Foundations and Applications
A graph transformation-based semantics for deep metamodelling
AGTIVE'11 Proceedings of the 4th international conference on Applications of Graph Transformations with Industrial Relevance
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This article describes the ontological metamodel extension for generative architectures (OMEGA), an extension to the Meta Object Facility metamodel which allows non-linear metamodeling. The article begins with a discussion of non-linear metamodeling in general and briefly describes several options available to the designers of a metamodeling framework supporting orthogonal metamodeling. In the light of these options, we then explain the design of OMEGA and discuss its advantages and application to code generation. We also explain the open questions and extensively discuss related work.