Fraunhofer Institut für Integrierte Publikations-und Informationssysteme IPSI

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  • Publication
    Cooperation in ubiquitous computing
    ( 2005)
    Tandler, P.
    ;
    Dietz, L.
    Many ubiquitous computing scenarios deal with cooperative work situations. To successfully support these situations, computer-supported cooperative work (CSCW) concepts and technologies face new challenges. One of the most fundamental concepts for cooperation is sharing. By analyzing applications of sharing in the context of ubiquitous computing it can be shown that ubiquitous computing enables an extended view on sharing. In this paper, we show that this extended view seamlessly integrates the view of "traditional" CSCW and additionally incorporates ubiquitous, heterogeneous, and mobile devices used in a common context.
  • Publication
    Agilo: A highly flexible groupware framework
    ( 2005)
    Guicking, A.
    ;
    Tandler, P.
    ;
    Avgeriou, P.
    Today there exist many frameworks for the development of synchronous groupware applications. Although the domain of these applications is very heterogeneous, existing frameworks provide only limited flexibility to integrate diverse groupware applications in a meaningful way. We identify five variation points that a groupware framework needs to offer in a flexible way in order to facilitate the integration of diverse groupware applications. Based on these variation points, we propose a groupware framework called Agilo that tries to overcome the limited flexibility of existing frameworks by offering multiple realizations of these variation points and providing a modular architecture to simplify the integration of applications and the extensibility and adaptability to different application and integration requirements.
  • Publication
    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.
  • Publication
    The BEACH application model and software framework for synchronous collaboration in ubiquitous computing environments
    ( 2004)
    Tandler, P.
    In this paper, a conceptual model for synchronous applications in ubiquitous computing environments is proposed. To test its applicability, it was used to structure the architecture of the BEACH software framework that is the basis for the software infrastructure of i-LAND (the ubiquitous computing environment at FhG-IPSI). The BEACH framework provides the functionality for synchronous cooperation and interaction with roomware components, i.e. room elements with integrated information technology. To show how the BEACH model and framework can be applied, the design of a sample application is explained. Also, the BEACH model is positioned against related work. In conclusion, we provide our experiences with the current implementation.
  • Publication
    Drag-and-pop and drag-and-pick
    ( 2003)
    Baudisch, P.
    ;
    Cutrell, E.
    ;
    Robbins, D.
    ;
    Czerwinski, M.
    ;
    Tandler, P.
    ;
    Bederson, B.
    ;
    Zierlinger, A.
  • Publication
    Roomware-moving toward ubiquitous computers
    ( 2002)
    Tandler, P.
    ;
    Streitz, N.
    ;
    Prante, T.
    Collaboration between users and environments with multiple interconnected devices will determine, to a large degree, approaches to work and everyday activities. An example of this type of device is roomware, or computer-augmented objects resulting from the integration of room elements, such as walls, doors, and furniture, with computer- based information devices. The roomware components that we have developed at Fraunhofer IPSI support the vision of a future where our surroundings act as an information interface, and the computer as a device disappears from our perception. Three main observations influenced the creation of roomware components: the growing importance of information technology; the need to integrate information technology with the environment in which it is used; and the recognition that new work practices will emerge to cope with the increasing rate of the innovation.
  • Publication
    ConnecTables: Dynamic coupling of displays for the flexible creation of shared workspaces
    ( 2001)
    Tandler, P.
    ;
    Prante, T.
    ;
    Müller-Tomfelde, C.
    ;
    Streitz, N.
    ;
    Steinmetz, R.