Torben Wiedenhöfer

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Improvisation is necessary when planned decision-making as the main managerial activity does not fit the conditions the practice provides. In these cases, information technology should not just automate planned and structured decisions, but support improvisational practice. In this contribution we present an empirical study about the improvisation work in(More)
Online "Helps" must capture the problem of decontextualisation. In the literature the following three methods are presented to bridge the gap between the user's problem situation and the provided help: using methods of the information retrieval, computer mediated communication and techniques of context awareness.Focusing on professional help only is a(More)
In the last few years, semantic technologies are continuously maturing and many applications are adopted in various field. To take a step towards overcoming the knowledge acquisition bottleneck, the challenge of generating semantic content persists. It usually requires the involvement of humans, thus motivations and incentives mechanisms that might foster(More)
Information is the most valuable resource for coping and recovery work in crisis management. It is the foundation for coordination, collaboration and decision-making. However, several challenges face information retrieval, evaluation and exchange processes in inter-organizational crisis management. On the one hand, due to the dynamic nature of crisis(More)
Emergency or crisis management, as is well-attested, is a complex management problem. A variety of agencies need to collaborate and coordinate in real-time and with an urgency that is not always present in other domains. It follows that accurate information of varying kinds (e.g. geographical and weather conditions; available skills and expertises;(More)
This paper presents our investigations in how value sensitive design of interactive systems could motivate people to contribute to semantic web applications. In two case studies we adopted the Value Sensitive Design (VSD) framework (Friedman et al., 2006), relying on three levels of investigation. Conceptual investigation focused on the literature analysis(More)
This video showcase presents our new business process modeling environment, called SiSO, that enables end users to model and adapt business processes. SiSO enhances Service Oriented Architectures through non-technical data, such as usage descriptions of the services and their functions, ratings, and keywords. It uses the box-and-wire UI design principle in(More)
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