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One of the most important challenges in the field of human-computer interaction is maintaining and enhancing the willingness of a user to interact with a technical system. This cooperativeness provides a solid basis for a real dialogue between user and technical system. The goals and tasks of an intelligent technical system seem unrealistic without it. In(More)
The initial idea behind the study described in this paper was to assess the perceived socialness of anthropomorphic agents in computer human interaction. In a nuclear power plant simulation scenario users were assisted by an anthropomorphic agent completing several tasks. Afterwards the agent was assessed using questionnaires that were presented in three(More)
In todays mixed signal System-on-Chip designs advanced Design-for-Test techniques become more and more important to meet test coverage and quality requirements. However, standard strategies often cannot be used because of design specific requirements like the limitation of available input and output pins. This paper describes the Design-for-Test strategy of(More)
In this paper we present a novel help system that integrates material provided by various contributors into a single point of reference for user assistance. Therefore different kinds of resources are organized by means of collaborative tagging. To retrieve the content natural language is used to communicate with an avatar on a web page. The advantage of our(More)
Maintaining and enhancing the willingness of a user to interact with a technical system is crucial for human-computer interaction (HCI). Trust has shown to be an important factor influencing the frequency and kind of usage. In this paper we present our ongoing work on using explanations to maintain the trust relationship between human and computer. We(More)
We developed a help system that employs an avatar to cover various aspects of user assistance. In addition to assisting users with the completion of specific goals by means of dynamically generated step-by-step guides, the system is also able to provide information concerning elements of the user interface. Furthermore it answers follow-up questions entered(More)