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  Evaluating the Effects of Displaying Uncertainty in Context-Aware Applications

Antifakos, S., Schwaninger, A., & Schiele, B. (2004). Evaluating the Effects of Displaying Uncertainty in Context-Aware Applications. In N. Davies, E. Mynatt, & I. Siio (Eds.), UbiComp 2004: Ubiquitous Computing: 6th International Conference, Nottingham, UK, September 7-10, 2004 (pp. 54-69). Berlin, Germany: Springer.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-D7E9-F Version Permalink: https://hdl.handle.net/21.11116/0000-000B-5EFB-2
Genre: Conference Paper

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https://link.springer.com/content/pdf/10.1007%2F978-3-540-30119-6_4.pdf (Publisher version)
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 Creators:
Antifakos, S, Author
Schwaninger, A1, Author           
Schiele, B, Author
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: Many context aware systems assume that the context information they use is highly accurate. In reality, however, perfect and reliable context information is hard if not impossible to obtain. Several researchers have therefore argued that proper feedback such as monitor and control mechanisms have to be employed in order to make context aware systems applicable and useable in scenarios of realistic complexity. As of today, those feedback mechanisms are difficult to compare since they are too rarely evaluated. In this paper we propose and evaluate a simple but effective feedback mechanism for context aware systems. The idea is to explicitly display the uncertainty inherent in the context information and to leverage from the human ability to deal well with uncertain information. In order to evaluate the effectiveness of this feedback mechanism the paper describes two user studies which mimic a ubiquitous memory aid. By changing the quality, respectively the uncertainty of context recognition, the experiments show that human performance in a memory task is increased by explicitly displaying uncertainty information. Finally, we discuss implications of these experiments for today’s context-aware systems.

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 Dates: 2004-09
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/978-3-540-30119-6_4
 Degree: -

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Title: Sixth International Conference on Ubiquitous Computing (UbiComp 2004)
Place of Event: Nottingham, UK
Start-/End Date: 2001-09-07 - 2004-09-10

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Title: UbiComp 2004: Ubiquitous Computing: 6th International Conference, Nottingham, UK, September 7-10, 2004
Source Genre: Proceedings
 Creator(s):
Davies, N, Editor
Mynatt, ED, Editor
Siio, I, Editor
Affiliations:
-
Publ. Info: Berlin, Germany : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 54 - 69 Identifier: ISBN: 978-3-540-30119-6

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Title: Lecture Notes in Computer Science
Source Genre: Series
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Pages: - Volume / Issue: 3205 Sequence Number: - Start / End Page: - Identifier: -