Tabletop sharing of digital photographs for the elderly
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Applying reach in direct manipulation user interfaces
OZCHI '06 Proceedings of the 18th Australia conference on Computer-Human Interaction: Design: Activities, Artefacts and Environments
Perception of elementary graphical elements in tabletop and multi-surface environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Direct-touch vs. mouse input for tabletop displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Using job-shop scheduling tasks for evaluating collocated collaboration
Personal and Ubiquitous Computing - Special Issue: User-centred design and evaluation of ubiquitous groupware
Dimensions caractéristiques de l'interaction gestuelle sur table de collaboration
IHM '07 Proceedings of the 19th International Conference of the Association Francophone d'Interaction Homme-Machine
From clicks to touches: enabling face-to-face shared social interface on multi-touch tabletops
OCSC'07 Proceedings of the 2nd international conference on Online communities and social computing
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Traditional tables have long been the preferred work environment for many co-located collaboration tasks such as planning, scheduling, brainstorming, design and layout activities. However, as computers become pervasive in corporate and educational settings, access to digital information is becoming more important during collaboration. Consequently, researchers have begun exploring tabletop display systems in order to facilitate access to digital media during tabletop collaboration. However, there are many open issues related to the design of collaborative tabletop interfaces, such as whether these systems should automatically orient workspace items or enforce ownership of workspace content. Understanding the natural work practices that people use during tabletop collaboration with traditional media (e.g., pen and paper) can help address these issues. Interfaces that are modeled on these practices will have the additional advantage of supporting the interaction skills people have developed over years of collaborating at traditional tables. To gain a deeper understanding of these work practices this dissertation builds on previous studies of traditional tabletop collaboration and gains new insights through two new observational studies. These investigations indicate that the use of territorial behaviour on a tabletop workspace provides important benefits for collaborators' task and group interactions. The practice of tabletop territoriality was further investigated through in-depth analyses of the workspace interactions that occurred in the observational studies. The findings from these analyses reveal that collaborators tend to establish three types of tabletop territories when sharing a tabletop workspace: personal, group, and storage territories. These tabletop territories facilitate collaborative interactions on a table by providing commonly understood social protocols that help people organize and share the tabletop workspace. These social protocols help clarify which workspace regions should be used for joint task work, for assisting others, for independent activities, and for storing task resources. They also provide lightweight mechanisms to reserve and share task resources. The insights gained from this investigation led to the development of a set of design recommendations for collaborative digital tabletop workspaces. These recommendations were then successfully applied to the development of a digital tabletop workspace that supports the practice of tabletop territoriality and collaboration.