The MeetingMachine: interactive workspace support for nomadic users

Barton, Hsieh, Johanson, Vikram Vijayaraghavan, Fox, Shimizu
<span title="">2003</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/g2i2kcww7zfazc6z4kehoj54cq" style="color: black;">Proceedings DARPA Information Survivability Conference and Exposition MCSA-03</a> </i> &nbsp;
Ubiquitous computing embraces both nomadic computing and infrastructure-rich interactive workspaces. Although most effort in these areas to date has focused narrowly on one domain, there are interesting challenges at their intersection. To start a discussion on how some of the benefits of interactive workspaces can be provided to nomadic users, we present MeetingMachine, a digital media projector that incorporates both interactive workspace and nomadic computing technologies in an appliance
more &raquo; ... factor. As a research effort, the MeetingMachine attempts to bridge the gap between space-embedded and mobile computing models of ubiquitous computing, specifically focusing on the task of sharing information brought into and created during meetings. As a prototype artifact, the design of the MeetingMachine seeks to place ubiquitous computing technology into an appliance, whose role would be similar to that of a digital projector or conference room telephone. Contributions Contribution 1 is an exploration of how to combine the elements of interactive spaces, which are infrastructure-rich and deal with a relatively static user population, with the constraints of nomadic meetings, which may be infrastructure-poor and consist of dynamic groups of users. The goals are (a) to bring at least two of the most-used aspects of interactive spaces-public browsing and a deliberately temporary shared media abstraction-to nomadic meetings; and (b) to reduce the gap between the physical meeting and the (usually electronic) meeting products by enabling connection between physical objects and virtual objects. Contribution 2 is a specific architecture and prototype for an appliance that meets the above goals. As outlined in our earlier work on Appliance Computing [12], we chose to develop an appliance because it lets users deal with concrete media artifacts, such as USB and CompactFlash memory cards, and even non-computer physical tokens, rather than forcing them to deal directly with awkward computer-centric abstractions such as shared file systems. Our portable appliance plugs into any electronic projector and transforms a "generic" meeting space used by nomads into one that supports the above usage modalities. The same elements could be merged into a portable projector for a completely nomadic device or they could be embedded in a conference room for a interactive workspace-like use model. The rest of the paper proceeds as follows. We begin by discussing what happens when nomadic users have meetings, and what we can expect in the way of existing technology, to derive design constraints. We then describe an architecture that addresses these constraints in an appliance form factor, combining techniques from iROS and CoolTown to provide four successive layers of functionality. We describe our early prototype using the UbiWISE [6] prototyping environment, our physical prototype, and ongoing work.
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