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In this demo paper we present a new visualization technique for dynamic networks. It displays the time slices of the dynamic network using two dimensional graph layouting algorithms and stacks these in the third dimension to show the development over time. The visualization ensures that the same node always has the same position in each time slice so that it is easy to follow its development. It also allows filtering data and influencing node appearance based on properties. Additionally we offer a two dimensional comparison view for two time slices which highlights changes in graph structure and (if available) in measures of nodes. The presented visualization technique is implemented using Web technology and is available in a Web-based analytics workbench. We demonstrate the benefits of these techniques by an analysis of a data set from a learning community.
Im Rahmen des diesjährigen Workshop Automotive HMI werden wieder eine Vielzahl an Vorträgen aus dem Bereich automobiler Mensch-Maschine Schnittstellen präsentiert. Des Weiteren ist wie in den beiden letzten Jahren ein Interaktiver Innovationsworkshop Teil des Programms. Das Motto der Mensch und Computer 2014 lautet „Interaktiv Unterwegs “. Dies passt hervorragend zum Thema des Workshops.
To analyze the electric field around bipolar resectoscopes, used in urology, in terms of reasons for late complications after a surgical treatment a flexible multielectrode system was developed to measure the 3-D potential distribution. A high spatial resolution is achieved with the least possible individual measurements under the conditions of a quasi-static electric field. A flexible arrangement and positioning of the measuring points in the vertical direction of the experimental environment enable an adjustable spatial resolution and the selection of the region of interest. The existing influence of the multielectrode system on the measuring results is described and a correction method is presented to achieve significant results. Thus, the multielectrode system is usable for a comparative study of bipolar resectoscopes varying in the arrangement of resection and return electrode.
"Quarter agile" aims to promote older people's social participation and community
via physical and cognitive training which the participants also help create. The project relies heavily on the use of smartphones as training support. Loneliness
and loss of physical and cognitive skills are to be prevented by means of training
and participation in groups. We want to investigate the effects of technology-
assisted training on physical and cognitive performance and social participation of
older people. "Quarter agile" is geared towards healthy people ages 65 and up who are residents of the specified neighborhood.
Currently, car assistant systems mainly try to prevent accidents. Increasing built-in car technology also extends the potential applications in vehicles. Future cars might have virtual windshields that augment the traffic or individual virtual assistants interacting with the user. In this paper, we explore the potential of an assistant system that helps the car’s occupants to calm down and reduce stress when they experience an accident in front of them. We present requirements from a discussion (N= 11) and derive a system design from them. Further, we test the system design in a video-based simulator study (N= 43). Our results indicate that an accident support system increases perceived control and trust and helps to calm down the user.