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dc.contributor.authorGhose, AK
dc.contributor.authorHadjinian, PO
dc.contributor.authorSattar, A
dc.contributor.authorYou, JH
dc.contributor.authorGoebel, R
dc.contributor.editorDekang Lin, Randy Goebel, Russell Greiner
dc.date.accessioned2017-05-03T12:09:42Z
dc.date.available2017-05-03T12:09:42Z
dc.date.issued2004
dc.date.modified2007-03-18T21:48:08Z
dc.identifier.issn0824-7935
dc.identifier.doi10.1111/j.0824-7935.2004.t01-1-00229.x
dc.identifier.urihttp://hdl.handle.net/10072/5149
dc.description.abstractMost existing formalizations treat belief change as a single-step process, and ignore several problems that become important when a theory, or belief state, is revised over several steps. This paper identifies these problems, and argues for the need to retain all of the multiple possible outcomes of a belief change step, and for a framework in which the effects of a belief change step persist as long as is consistently possible. To demonstrate that such a formalization is indeed possible, we develop a framework, which uses the language of PJ-default logic (Delgrande and Jackson 1991) to represent a belief state, and which enables the effects of a belief change step to persist by propagating belief constraints. Belief change in this framework maps one belief state to another, where each belief state is a collection of theories given by the set of extensions of the PJ-default theory representing that belief state. Belief constraints do not need to be separately recorded; they are encoded as clearly identifiable components of a PJ-default theory. The framework meets the requirements for iterated belief change that we identify and satisfies most of the AGM postulates (Alchourr㮬 G䲤enfors, and Makinson 1985) as well.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherBlackwell Publishing, Inc.
dc.publisher.placeUnited States
dc.publisher.urihttp://www.blackwell-synergy.com/doi/abs/10.1111/j.0824-7935.2004.t01-1-00229.x
dc.relation.ispartofpagefrom37
dc.relation.ispartofpageto54
dc.relation.ispartofissue1
dc.relation.ispartofjournalComputational Intelligence: An International Journal
dc.relation.ispartofvolume20
dc.subject.fieldofresearchTheory of computation
dc.subject.fieldofresearchInformation systems
dc.subject.fieldofresearchcode4613
dc.subject.fieldofresearchcode4609
dc.titleIterated belief change
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.rights.copyright© 2004 Blackwell Publishing. The definitive version is available at [www.blackwell-synergy.com.]
gro.date.issued2004
gro.hasfulltextNo Full Text
gro.griffith.authorSattar, Abdul


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