Cristian Bogdan

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This paper describes how people make sense of and use constellations of technologies in a nomadic setting, and it illustrates how maintaining and orchestrating a variety of applications and devices becomes an essential part of nomadic practices. The data were collected over a period of 3 years at a technical university by means of two field studies.(More)
Programming user interfaces is hard, error-prone and expensive, but recent advances allow generating them from interaction design models. We present an approach for modeling interaction design that is inspired by human communication. Our interaction design models are discourse models, more precisely models of dialogues. They are based on theories of human(More)
We address the issue of sustainability of practice, which we regard as crucial for the sustainability of the community at large. In the absence of material reward, sustaining a specialized activity such as programming is not trivial especially when members move often in and out of the community. Our case is the group of voluntary, amateur student(More)
The use of practices as a unit of analysis has been suggested in order to scale up efforts within sustainable HCI and to shift the focus from changing individual behaviours to supporting transitions at a societal level. In this paper, we take a practice approach to the case of sustainable transportation, and more specifically to car-free transportation. Car(More)
Most current models of interaction design build on scenarios and task analysis. We think that interaction design should be more along the lines of communication between humans. With this motivation, our paper presents a new approach to modeling interaction design based on insights from theories of human communication. From such discourse models, we aim for(More)
End users of software typically have to let someone else develop it and its user interface, or to learn to design and to program it themselves. Especially user interfaces developed by someone else may not fit well the given task. Designing and programming is hard and takes a lot of effort in general, and even more so for people not especially trained or(More)
User-interface design is still a time consuming and expensive task to do, but recent advances allow generating them from interaction design models. We present a model-driven approach for generating user interfaces out of interaction design models. Our interaction design models are discourse models, more precisely models of classes of dialogues. They are(More)