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Decision Making with Hierarchical Credal Sets
Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
2014 (engelsk)Inngår i: 15th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems: proceedings, part III, Heidelberg: Springer, 2014, s. 456-465Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We elaborate on hierarchical credal sets, which are sets of probability mass functions paired with second-order distributions. A new criterion to make decisions based on these models is proposed. This is achieved by sampling from the set of mass functions and considering the Kullback-Leibler divergence from the weighted center of mass of the set. We evaluate this criterion in a simple classification scenario: the results show performance improvements when compared to a credal classifier where the second-order distribution is not taken into account.

sted, utgiver, år, opplag, sider
Heidelberg: Springer, 2014. s. 456-465
Serie
Communications in Computer and Information Science, ISSN 1865-0937 ; Vol 444
Emneord [en]
Credal sets, second-order models, hierarchical credal sets, shifted Dirichlet distribution credal classification decision making
HSV kategori
Forskningsprogram
data- och systemvetenskap
Identifikatorer
URN: urn:nbn:se:su:diva-110964DOI: 10.1007/978-3-319-08852-5_47ISBN: 978-3-319-08851-8 (tryckt)OAI: oai:DiVA.org:su-110964DiVA, id: diva2:773738
Konferanse
15th International Conference, IPMU 2014, Montpellier, France, July 15-19, 2014,
Tilgjengelig fra: 2014-12-19 Laget: 2014-12-19 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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Totalt: 32 treff
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