Abstract-Modular approaches (objects, components and service-based) offer efficient solutions to face the complexity of Information Systems. However, today they involve major problems in dealing with data/information and decisionmaking (from the standpoint of the end-user). In this article, we aim to initiate a dialogue between digital/interaction design and model-driven engineering through the study of a new data representation-visualisation approach based on generative visualisation. Due to recent advances in graphical user interfaces and interaction techniques, we expect to prove that the world of modeling could benefit from creating views of existing models defined in a modeling language complying with Meta-Object Facility (like UML).

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In this paper we present a preliminary user study conducted on a walk-up-and-use musical instrument dubbed Collective Loops specifically designed for co-located collaborative interaction for the general public. The aim of this study was to verify that displaying all users' choices in a shared interface would promote and facilitate user engagement in creative collaboration. Although the results do not confirm our hypothesis, the experiment allowed us to detect a more general design issue with such walk-up-and-use multi-display installations: striking the right balance between the different interfaces in order to release some of the users attention for the benefit of the collaborative process.