IDA Dept. of Computer and Information science, Linköping University

IDA Technical Reports: abstract

Generated: Wed, 24 Jan 2018 00:57:11

Coradeschi, S. (1996). Reasoning with Misperception in the Features and Fluents Framework. Technical Report LiTH-IDA-R-96-02, Department of Computer and Information Science, Linköping University, Sweden. (bibtex),

Abstract: In this work we consider a way to deal with the problem of unreliable observations when an agent is reasoning about dynamical systems as they are formalized and systematically studied in Sandewall's approach to reasoning about action and change. The presence of incorrect observations can be detected in case it generates a contradiction. In this case a revision function resolves the inconsistency by constructing alternative consistent descriptions of the system. However, revision is in general expensive and therefore we define a delayed revision that postpones doing revision for some steps and we prove that it gives results similar to immediate revision. We also examine some forms of preferential revision that reduce the number of alternative descriptions of the system. We finally consider the relations between our work and Gardenfors' approach to belief revision.

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