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Correct and efficient Dynamic Interactive Systems (DISs) are very difficult to conceptualize, model, implement, and maintain due to their dynamism and multiple concurrent interactive processes. As a result construction of DISs is time-consuming and implemented DISs are error-prone and difficult to comprehend and analyze. In this paper we describe an intuitive and systematic process by which models...
Information systems that are accessible via the web have become a very important class of large-scale software systems. In order to assure a high quality of such systems we propose a layered approach using integrated methods for all levels. In doing so we bring together knowledge from semiotics, goal-oriented requirements engineering, conceptual modelling, databases, human-computer interaction and...
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