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Publications by Staffan Bjork (bibliography)
Goldstein, Mikael, Oquist, Gustav and Bjork, Staffan (2002): Evaluating Sonified Rapid Serial Visual Presentation: An Immersive Reading Experience on a Mobile Device. In: Carbonell, Noelle and Stephanidis, Constantine (eds.) Proceedings of the 7th ERCIM Workshop on User Interfaces for All October 23-25, 2002, Paris, France. pp. 508-523.
Can the addition of sound enhance the reading experience on small screens when using Rapid Serial Visual Presentation (RSVP) for dynamic text presentation? In this paper we introduce Sonified RSVP and report findings from a usability evaluation where the experience of reading texts enhanced with nomic auditory icons was evaluated. At a comfortable pace 12 subjects read long Swedish texts of equal difficulty with and without the addition of sound on a handheld device. Reading speed (M 217 wpm) and comprehension (M 58% correct) did not differ significantly between the two conditions. The evaluation revealed a rather high task load for both conditions but no significant differences. However, the subjective rating of Immersion was rated significantly higher for the Sonified condition. Causes, implications and directions for further work are discussed based on these findings.
© All rights reserved Goldstein et al. and/or Springer Verlag
Bjork, Staffan and Redstrom, Johan (2002): Window frames as areas for information visualization. In: Proceedings of the Second Nordic Conference on Human-Computer Interaction October 19-23, 2002, Aarhus, Denmark. pp. 247-250.
We describe how the frames of document windows can be used as areas for visualizing information about a document. A number of design examples are presented as illustrations of how users can be supported with contextual information about a document in a way that does not interfere with the visual presentation of the document itself. A ChangeIndicator is used as an example of how information can be mapped to basic design variables of a frame, such as its color. More complex visualizations can be achieved by mapping information about parts of documents to parts or details of the frame. This is illustrated with a Readability-Viewer. Finally, the ScrollSearcher is presented as an example of how the results of processes and functions can be visualized in the frames of a document.
© All rights reserved Bjork and Redstrom and/or ACM Press
Bjork, Staffan, Holmquist, Lars Erik, Redstrom, Johan, Bretan, Ivan, Danielsson, Rolf, Karlgren, Jussi and Franzen, Kristofer (1999): WEST: A Web Browser for Small Terminals. In: Zanden, Brad Vander and Marks, Joe (eds.) Proceedings of the 12th annual ACM symposium on User interface software and technology November 07 - 10, 1999, Asheville, North Carolina, United States. pp. 187-196.
We describe WEST, a WEb browser for Small Terminals, that aims to solve some of the problems associated with accessing web pages on hand-held devices. Through a novel combination of text reduction and focus+context visualization, users can access web pages from a very limited display environment, since the system will provide an overview of the contents of a web page even when it is too large to be displayed in its entirety. To make maximum use of the limited resources available on a typical hand-held terminal, much of the most demanding work is done by a proxy server, allowing the terminal to concentrate on the task of providing responsive user interaction. The system makes use of some interaction concepts reminiscent of those defined in the Wireless Application Protocol (WAP), making it possible to utilize the techniques described here for WAP-compliant devices and services that may become available in the near future.
© All rights reserved Bjork et al. and/or ACM Press
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