Situation analytics can be used to recognize the changing behavior, emotional state, cognitive load and environmental context of a user during complex task processing. This article discusses the SitAdapt 2.0 architecture that combines a situation analytics platform with pattern-and model-based user interface construction tools in order to build runtime-adaptive interactive business applications with enhanced user experience and task-accomplishment characteristics. The article focuses on the software components and tools for observing and tracking the user, data types for modeling situations, recognizing situations, and modeling structural changes and actions for generating the dynamic adaptations. The situation recognition capabilities and adaptive functionality of the system are demonstrated for web-applications for longdistance travel booking and a beauty products web-portal.
This paper depicts potentialities of formal HCI pattern specifications with regard to facilitate the semi-automated generation of user interfaces for interactive applications. In a first step existing proven and well accepted techniques in the field of model-based user interface development are highlighted and briefly reviewed. Subsequently it is discussed how we combine modelbased and pattern-oriented methods within our user interface modeling and development framework in order to partly enable automated user interface generation. In this context a concrete pattern definition approach is introduced and illustrated with tangible examples from the domain of interactive knowledge sharing applications.
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