Abstract
In this paper, a small case study is presented to illustrate our conceptual understanding of a task-based requirements process. We argue that sub-models as known in model-based design (e.g. task models, dialog models) support the reflection about an existing work situation at a conceptual level and allow a formal specification of requirements. However, it is also shown that the integration of complementary analysis approaches facilitates a richer consideration of social as well as technical aspects. An intertwined creation of models differing in their focus and in the degree of abstraction and formality supports a more effective requirements elicitation and elaboration.
In addition, the paper discusses some crucial issues in task- and model-based design such as the ‘myth’ of generalised task models, the different roles of task and dialog models, or the influence of intentions on models of current situations. We hope to contribute to a further clarification of the problem space.
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Dittmar, A., Gellendin, A., Forbrig, P. (2007). Requirements Elicitation and Elaboration in Task-Based Design Needs More Than Task Modelling: A Case Study. In: Coninx, K., Luyten, K., Schneider, K.A. (eds) Task Models and Diagrams for Users Interface Design. TAMODIA 2006. Lecture Notes in Computer Science, vol 4385. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-70816-2_20
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DOI: https://doi.org/10.1007/978-3-540-70816-2_20
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