This paper presents and discusses a novel approach to indeterministic belief revision. An indeterministic belief revision operator assumes that, when an agent is confronted with a new piece of information, it can revise its belief sets in more than one way. We define a rational agent not only in terms of what it believes but also of what it desires and wants to achieve. Hence, we propose that the agent's goals play a role in the choice of (possibly) one of the several available revision options. Properties of the new belief revision mechanism are also investigated.
@InProceedings{boella_et_al:DagSemProc.07122.9, author = {Boella, Guido and da Costa Pereira, C\'{e}lia and Pigozzi, Gabriella and Tettamanzi, Andrea and van der Torre, Leendert}, title = {{Choosing Your Beliefs}}, booktitle = {Normative Multi-agent Systems}, pages = {1--18}, series = {Dagstuhl Seminar Proceedings (DagSemProc)}, ISSN = {1862-4405}, year = {2007}, volume = {7122}, editor = {Guido Boella and Leon van der Torre and Harko Verhagen}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.9}, URN = {urn:nbn:de:0030-drops-9386}, doi = {10.4230/DagSemProc.07122.9}, annote = {Keywords: Rational agents, indeterministic belief revision, qualitative decision theory} }
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