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Blended Modelling – What, Why and How



Federico Ciccozzi, Matthias Tichy , Hans Vangheluwe , Danny Weyns

Publication Type:

Conference/Workshop Paper


MPM4CPS workshop


Empirical studies indicate that user experience can significantly be improved in model-driven engineering. Blended modelling aims at mitigating this by enabling users to interact with a single model through different notations. Blended modelling contributes to various modelling qualities, including comprehensibility, analysability, and acceptability. In this paper, we define the notion of blended modelling and propose a set of dimensions that characterise blended modelling. The dimensions are grouped in two classes: user-oriented dimensions and realisation-oriented dimensions. Each dimension describes a facet that is relevant to blended modelling together with its domain (i.e., the range of values for that dimension). The dimensions offer a basic vocabulary to support tool developers with making well-informed design decisions as well as users to select appropriate tools and configure them according to the needs at hand. We illustrate how the dimensions apply to different cases relying on our experience with blended modelling. We discuss the impact of blended modelling on usability and user experience and sketch metrics to measure it. Finally, we outline a number of core research directions in this increasingly important modelling area.


author = {Federico Ciccozzi and Matthias Tichy and Hans Vangheluwe and Danny Weyns},
title = {Blended Modelling – What, Why and How},
month = {September},
year = {2019},
booktitle = {MPM4CPS workshop},
url = {}