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Enhancing Context-Aware Applications Through Effective Metaphors

This paper explores the vital role of metaphors in improving user understanding of context-aware applications. It discusses the challenges users face in interpreting such applications and proposes metaphors as a solution to enhance functionality comprehension. Key examples include the Post-It metaphor, which connects notes to objects and allows for dynamic interaction, and the Advertising Column metaphor that shares information with proximity-based visibility. A taxonomy for analyzing metaphors is also presented, facilitating the identification of effective options and highlighting drawbacks in current implementations.

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Enhancing Context-Aware Applications Through Effective Metaphors

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  1. Joachim Baumann, Peter Coschurba, Uwe Kubach, Alexander Leonhardi http://nexus.informatik.uni-stuttgart.de Metaphors for Context-Aware Information Access

  2. Outline • Motivation • Metaphors and Implementations • Classification • Conclusion

  3. Motivation • Users often have problems to understand context-aware applications • We know that metaphors can help the user to understand • what functionality the system offers • why some information is presented and other omitted • Which metaphors can be used? • Which metaphors are „good“?

  4. Post-It and Stick-e Note • Metaphor: Post-It • Can be connected to an object. • If the object moves, the note moves with it. • Can be moved from one object to another. • Can be read by anyone near the object. • Implementation: Stick-e Notes (University of Kent) • Attached to a context (location, persons meeting....). • If condition true, an action is triggered. • Does not implement the Post-It metaphor

  5. Advertising Column and VIT • Metaphor: Advertising Column • Posters can be put on it. • Can be read by anyone close enough. • Implementation: Virtual Information Towers (VIT) • Contains posters. • Visible to anyone in range. • Remote access is possible.

  6. Metaphors and Implementations

  7. Conclusion • Metaphors can help the user to understand the application. • But: The metaphor has to provide the correct mental model, or the user is mislead. • A taxonomy has been presented that allows • identification of potential metaphors • identification of the drawbacks of existing implementations

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