Stackables: combining tangibles for faceted browsing
Proceedings of the International Working Conference on Advanced Visual Interfaces
Evaluation of co-located and distributed collaborative visualization
Proceedings of the 5th International Symposium on Visual Information Communication and Interaction
Up close and personal: Collaborative work on a high-resolution multitouch wall display
ACM Transactions on Computer-Human Interaction (TOCHI)
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Co-located collaboration can be extremely valuable during complex visual analytics tasks. We present an exploratory study of a system designed to support collaborative visual analysis tasks on a digital tabletop display. Fifteen participant pairs employed Cambiera, a visual analytics system, to solve a problem involving 240 digital documents. Our analysis, supported by observations, system logs, questionnaires, and interview data, explores how pairs approached the problem around the table. We contribute a unique, rich understanding of how users worked together around the table and identify eight types of collaboration styles that can be used to identify how closely people work together while problem solving. We show how the closeness of teams' collaboration and communication influenced how they performed on the task overall. We further discuss the role of the tabletop for visual analytics tasks and derive design implications for future co-located collaborative tabletop problem solving systems.