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dc.contributor.supervisor Irani, Pourang (Computer Science) en
dc.contributor.author Gustafson, Sean
dc.date.accessioned 2009-01-21T15:13:35Z
dc.date.available 2009-01-21T15:13:35Z
dc.date.issued 2009-01-21T15:13:35Z
dc.identifier.citation Sean Gustafson and Pourang Irani. Comparing visualizations for tracking off-screen moving targets. In Extended Abstracts on Human Factors in Computing Systems (CHI ’07), pages 2399–2404, 2007. en
dc.identifier.citation Sean Gustafson, Patrick Baudisch, Carl Gutwin, and Pourang Irani. Wedge: Clutter-free visualization of off-screen locations. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI ’08), pages 787–796, 2008. en
dc.identifier.uri http://hdl.handle.net/1993/3125
dc.description.abstract Mobile devices, such as smartphones and other personal devices, are increasingly used to view maps and other large datasets. Their necessarily small displays can only show a small portion of the data at one time. Researchers have developed various visual techniques that overlay icons or shapes onto the edge of the display to provide the user with hints regarding the existence and location of undisplayed points of interest. However, current techniques fail in practice on mobile devices because they are confusing, do not scale or take up too much valuable screen space. In this thesis, I describe a new technique to visualize the location of off-screen points of interest. This technique, called Wedge, addresses specific shortcomings of existing techniques. This thesis details the design and implementation of Wedge and summarizes the results of a thorough experimental evaluation. Furthermore, I present a preliminary model of user performance that I use to highlight design suggestions for practitioners using Wedge. en
dc.format.extent 22863990 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject mobile en
dc.subject visualization en
dc.subject off-screen en
dc.subject maps en
dc.title Visualizing off-screen locations on small mobile displays en
dc.degree.discipline Computer Science en
dc.contributor.examiningcommittee Thulasiraman, Parimala (Computer Science) Mondor, Todd (Psychology) en
dc.degree.level Master of Science (M.Sc.) en
dc.description.note February 2009 en


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