Reflective physical prototyping through integrated design, test, and analysis
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Direct-touch vs. mouse input for tabletop displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 21st annual ACM symposium on User interface software and technology
Proceedings of Graphics Interface 2009
WeSearch: supporting collaborative search and sensemaking on a tabletop display
Proceedings of the 2010 ACM conference on Computer supported cooperative work
HCII'11 Proceedings of the 14th international conference on Human-computer interaction: interaction techniques and environments - Volume Part II
Towards document engineering on pen and touch-operated interactive tabletops
Adjunct proceedings of the 25th annual ACM symposium on User interface software and technology
Extending tabletop application design to the classroom
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
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We encounter tables in a variety of situations in our everyday lives---at work, at school, at home, and in restaurants, libraries, and other public venues. The ubiquity of this furniture results from the utility of its affordances: tables' horizontal surfaces afford the placement of objects, and their large surface area affords the spreading, piling, and organization of these items; chairs afford sitting and relaxing, making work around tables leisurely and comfortable; and, perhaps most importantly, tables afford face-to-face collaboration amongst a small group of co-located individuals. Enhancing traditional tables by adding computational functionality combines the collaborative and organizational benefits of horizontal surfaces, as well as their ability to hold tangible interaction objects, with the power and adaptability of digital technology, including the ability to archive, search, and share digital documents and the ability to quickly access related information. Combining the productivity benefits of computing with the social benefits of around-the-table interaction has value for many commonplace activities, such as business, education, and entertainment. The recent introduction of hardware that detects touch input from multiple, simultaneous users has made computationally-augmented tables, or "interactive tables," practical. This dissertation contributes a sequence of novel prototypes that explore the properties of group interaction with interactive tables. It presents the results of user experiments on the ways people share information and control in the unique setting of interactive face-to-face shared computer use. On the basis of these it proposes design principles that will produce tabletop groupware that better facilitates human-computer interaction and cooperative processes. These reducing visual clutter, the utility and visibility of access permissions for virtual objects, methods for influencing users' social interactions via tabletop interface design, consideration of how tabletop interface design influences and facilitates different work styles, and appropriate usability metrics for evaluating this class of software. Considering tabletop design holistically, including both the human-computer and human-human interactions that take place during tabletop activities, can lead to the development of more usable and useful tabletop groupware.