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Despite the demonstrated benefits of bimanual interaction, most tablets use just one hand for interaction, to free the other for support. In a preliminary study, we identified five holds that permit simultaneous support and interaction, and noted that users frequently change position to combat fatigue. We then designed the BiTouch design space, which(More)
We present the design and evaluation of TapTap and MagStick, two thumb interaction techniques for target acquisition on mobile devices with small touch-screens. These two techniques address all the issues raised by the selection of targets with the thumb on small tactile screens: screen accessibility, visual occlusion and accuracy. A controlled experiment(More)
We introduce BodyScape, a body-centric design space that allows us to describe, classify and systematically compare multi-surface interaction techniques, both individually and in combination. BodyScape reflects the relationship between users and their environment, specifically how different body parts enhance or restrict movement within particular(More)
The WILD (wall-sized interaction with large datasets) room serves as a testbed for exploring the next generation of interactive systems by distributing interaction across diverse computing devices, enabling multiple users to easily and seamlessly create, share, and manipulate digital content. The featured Web extra is a video of Michel Beaudouin-Lafon and(More)
In this paper, we present SpiraClock, a new visualization technique for nearby events. SpiraClock fills a gap between static calendar displays and pop-up reminders by giving the user a continuous and non-intrusive feedback on nearby events. Events are displayed inside an analog clock that can be used as a regular computer clock. We used SpiraClock for(More)
This article presents MaggLite, a toolkit and sketch-based interface builder allowing fast and interactive design of post-WIMP user interfaces. MaggLite improves design of advanced UIs thanks to its novel <i>mixed-graph</i> architecture that dynamically combines scene-graphs with interaction-graphs. <i>Scene-graphs</i> provide mechanisms to(More)
Research on cluster-driven wall displays has mostly focused on techniques for parallel rendering of complex 3D models. There has been comparatively little research effort dedicated to other types of graphics and to the software engineering issues that arise when prototyping novel interaction techniques or developing full-featured applications for such(More)
As Wikipedia has become one of the most used knowledge bases worldwide, the problem of the trustworthiness of the information it disseminates becomes central. With WikipediaViz, we introduce five visual indicators integrated to the Wikipedia layout that can keep casual Wikipedia readers aware of important meta-information about the articles they read. The(More)
This paper presents Arpège, a progressive multitouch input technique for learning chords, as well as a robust recognizer and guidelines for building large chord vocabularies. Experiment one validated our design guidelines and suggests implications for designing vocabularies, i.e. users prefer relaxed to tense chords, chords with fewer fingers and(More)