Pad++: a zooming graphical interface for exploring alternate interface physics
UIST '94 Proceedings of the 7th annual ACM symposium on User interface software and technology
Snap-together visualization: can users construct and operate coordinated visualizations?
International Journal of Human-Computer Studies - Empirical evaluation of information visualizations
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Navigation patterns and usability of zoomable user interfaces with and without an overview
ACM Transactions on Computer-Human Interaction (TOCHI)
Image-Browser Taxonomy and Guidelines for Designers
IEEE Software
Fisheyes are good for large steering tasks
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Halo: a technique for visualizing off-screen objects
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
City lights: contextual views in minimal space
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Reading patterns and usability in visualizations of electronic documents
ACM Transactions on Computer-Human Interaction (TOCHI)
Proceedings of the working conference on Advanced visual interfaces
An evaluation of pan & zoom and rubber sheet navigation with and without an overview
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Minimap: a web page visualization method for mobile phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Improving selection of off-screen targets with hopping
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the working conference on Advanced visual interfaces
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Comparing visualizations for tracking off-screen moving targets
CHI '07 Extended Abstracts on Human Factors in Computing Systems
Wedge: clutter-free visualization of off-screen locations
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
EGameFlow: A scale to measure learners' enjoyment of e-learning games
Computers & Education
Investigating narrative in mobile games for seniors
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part IV
On the effectiveness of Overview+Detail visualization on mobile devices
Personal and Ubiquitous Computing
SidebARs: improving awareness of off-screen elements in mobile augmented reality
Proceedings of the 2013 Chilean Conference on Human - Computer Interaction
Comparison of off-screen visualization techniques with representation of relevance on mobile devices
BCS-HCI '13 Proceedings of the 27th International BCS Human Computer Interaction Conference
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Overview+Detail [25] and Wedge [16] have been proposed in the literature as effective approaches to resolve the off-screen objects problem on mobile devices. However, they have been studied with a small number of off-screen objects and (in most studies) with static scenarios, in which users did not have to perform any navigation activity. In this paper, we propose improvements to Wedge and Overview+Detail which are specifically aimed at simplifying their use in dynamic scenarios that involve large numbers of off-screen objects. We compare the effectiveness of the two approaches in the considered scenario with a user study, whose results show that Overview+Detail allows users to be faster in searching for off-screen objects and more accurate in estimating their location.