DagSemProc.07351.12.pdf
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Forgetting and Update – an exploration
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Dagstuhl Seminar Proceedings, Volume 7351
Series: Dagstuhl Seminar Proceedings (DagSemProc) - License:
Creative Commons Attribution 4.0 International license
- Publication Date: 2007-11-20
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Abhaya Nayak, Yin Chen, and Fangzhen Lin. Forgetting and Update – an exploration. In Formal Models of Belief Change in Rational Agents. Dagstuhl Seminar Proceedings, Volume 7351, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)
https://doi.org/10.4230/DagSemProc.07351.12
https://doi.org/10.4230/DagSemProc.07351.12
Abstract
Knowledge Update (respectively Erasure) and Forgetting are two very
different concepts, with very different underlying motivation. Both are tools for knowledge management; however while the former is meant for accommodating new knowledge into a knowledge corpus, the latter is meant for modifying – in fact reducing the expressivity – of the underlying language. In this paper we show that there is an intimate connection between these two concepts: a particular form of knowledge update and literal forgetting are inter-definable. This connection is exploited to enhance both our understanding of update as well as forgetting in this paper.
Keywords
- Knowledge Update
- Erasure
- Forgetting
- Dalal Distance
- Winslett Distance.
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