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An Empirical Comparison of Bayesian and Credal Combination Operators
University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
2010 (English)In: FUSION 2010: 13th international Conference on Information Fusion, 26-29 July 2010, EICC, Edinburgh, UK, IEEE conference proceedings, 2010, Article number 5711907- p.Conference paper, (Refereed)
Abstract [en]

We are interested in whether or not representing and maintaining imprecision is beneficial when combining evidences from multiple sources. We perform two experiments that contain different levels of risk and where we measure the performance of the Bayesian and credal combination operators by using a simple score function that measures the informativeness of a reported decision set. We show that the Bayesian combination operator performed on centroids of operand credal sets outperforms the credal combination operator when no risk is involved in the decision problem. We also show that if a risk component is present in the decision problem, a simple cautious decision policy for the Bayesian combination operator can be constructed that outperforms the corresponding credal decision policy.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2010. Article number 5711907- p.
Keyword [en]
Bayesian combination operator, credal combination operator, Imprecise probability
National Category
Computer and Information Science
Research subject
Technology
Identifiers
URN: urn:nbn:se:his:diva-4655Scopus ID: 2-s2.0-79952382065ISBN: 978-0-9824438-1-1 OAI: oai:DiVA.org:his-4655DiVA: diva2:392583
Conference
13th international Conference on Information Fusion, 26-29 July 2010, EICC, Edinburgh, UK
Available from: 2011-01-27 Created: 2011-01-27 Last updated: 2013-09-06Bibliographically approved

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Scopushttp://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5711907&tag=1

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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