Fraunhofer Institut für Integrierte Publikations-und Informationssysteme IPSI

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Designing smart artifacts for smart environments

2005 , Streitz, N.A. , Röcker, C. , Prante, T. , Alphen, D. van , Stenzel, R. , Magerkurth, C.

Smart artifacts promise to enhance the relationships among participants in distributed working groups, maintaining personal mobility while offering opportunities for the collaboration, informal communication, and social awareness that contribute to the synergy and cohesiveness inherent in collocated teams.

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P2P evolution: From file-sharing to decentralized workflows

2004 , Risse, T. , Knezevic, P. , Wombacher, A.

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Roomware. Computers disappear and interaction evolves

2004 , Prante, T. , Streitz, N.A. , Tandler, P.

When engaging in brainstorming, strategic planning, and decision making, many people still use traditional media such as felt pens on whiteboards. Apparently, interacting with real physical objects feels easier than operating and interacting with computer monitors in these situations. Unfortunately, the information generated during such meetings cannot be captured immediately for digital postprocessing and can easily be lost altogether. Researchers at the Fraunhofer Integrated Publication and Information Systems Institute in Darmstadt seek to design environments that combine the affordances of real objects with computer-based support's potential in the virtual world. This combination generates hybrid worlds that have significant consequences for the design of human-computer interaction.

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Skalierbare Verarbeitung von XML mit Infonyte-DB

2002 , Tesch, T. , Fankhauser, P. , Weitzel, T.

Die zunehmende Durchdringung von IT-Architekturen mit XML führt zu immer größeren XML-Datenvolumina. Diese lassen sich mit den zur Verfügung stehenden XML-Werkzeugen nicht immer skalierbar verarbeiten. Das Produkt Infonyte-DB der Infonyte GmbH ist ein modularer XML-Kernel, der sehr ressourcenschonend große XML-Datenvolumina effizient verarbeiten kann

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Pervasive games: Bringing computer entertainment back to the real world

2005 , Magerkurth, C. , Cheok, A.D. , Mandryk, R.L. , Nilsen, T.

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Augmenting the virtual domain with physical and social elements: Towards a paradigm shift in computer entertainment technology

2004 , Magerkurth, C. , Engelke, T. , Memisoglu, M.

In this paper, means of enriching computer entertainment experiences by emphasizing physical and social game elements are discussed. A conceptual framework in which the relations between the virtual, the physical, and the social domains are modeled is presented. Interfaces that mediate between the domains are discussed along with a complementary software architecture that helps developing hybrid computer games. Finally, sample games that follow the approach of physical and social augmentation are presented.

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Will distance learning create a global university

2003 , Milutinovic, V. , Skundric, N.

It is predicted that the development whereby universities have campuses connected to the central site by telecom links will continue until there are very few universities in the world, and perhaps only one. An exception is that some countries may try to maintain national universities for certain areas of study. The article discusses the possible consequences of such a development and the likelihood that a country would be successful in protecting its national institution.

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Matchmaking for business processes based on choreographics

2004 , Wombacher, A. , Frankhauser, P. , Mahleko, B. , Neuhold, E.J.

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Configuration of distributed message converter systems

2004 , Risse, T. , Aberer, K. , Wombacher, A. , Surridge, M. , Taylor, S.

Finding a configuration of a distributed system satisfying performance goals is a complex search problem that involves many design parameters, like hardware selection, job distribution and process configuration. Performance models are a powerful tool to analyze potential system configurations, however, their evaluation is expensive, such that only a limited number of possible configurations can be evaluated. In this paper we present a systematic method to find a satisfactory configuration with feasible effort, based on a two-step approach. First, performing a queuing network analysis a hardware configuration is determined and then a software configuration is incrementally optimized by simulating Layered Queuing Network models. We applied this method to the design of performant EDI converter systems in the financial domain, where increasing message volumes need to be handled due to the growing importance of B2B interaction.

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Kein Patentrezept für die Speicherung

2002 , Frankhauser, P. , Tesch, T.

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