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In modern model based development processes models are part of the operative software. Hence, like with source code, many versions of models arise. Therefore one requires powerful tools for comparison and mixing of models. Such tools are based on algorithms which calculate the differences between models. High demands are set onto such difference algorithms: They must regard the structure of the specified model type and the features of typical edit processes whilst being preferably fast and also depict the differences between the given models in a clever way. - In other words, they should deliver differences of high quality. However, these different pretensions are contradictory to each other: An optimization for quality impairs the often already high runtimes further on. Because of this reason an acceptable compromise between quality and effort must be found for the respective task. Such compromises cannot be discussed here because systematic approaches for quality definition of differences are missing. Major goal of the QuDiMo-Project is the definition of exactly such quality measures for model differences as well as an approach to depict the optimization of existing difference algorithms concerning both runtimes and the achieved quality of differences.

A detailed overview of the pursued objectives can be found here.


Dipl.-Wirt. Inform. Pit Pietsch M. Sc. Hamed Shariat Yazdi

The QuDiMo-Project is supported by the Deutschen Forschungsgemeinschaft, 2010 - 2012

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