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» On Action Theory Change
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IJCAI
2007
15 years 1 months ago
Progression of Situation Calculus Action Theories with Incomplete Information
In this paper, we propose a new progression mechanism for a restricted form of incomplete knowledge formulated as a basic action theory in the situation calculus. Specifically, w...
Stavros Vassos, Hector J. Levesque
KI
2009
Springer
15 years 6 months ago
On Defaults in Action Theories
Abstract. We study the integration of two prominent fields of logicbased AI: action formalisms and non-monotonic reasoning. The resulting framework allows an agent employing an ac...
Hannes Strass, Michael Thielscher
IJCAI
2003
15 years 1 months ago
Causal Theories of Action: A Computational Core
We propose a framework for simple causal theories of action, and study the computational complexity in it of various reasoning tasks such as determinism, progression and regressio...
Jérôme Lang, Fangzhen Lin, Pierre Mar...
KR
1994
Springer
15 years 3 months ago
Modalities Over Actions, I. Model Theory
This paper analyzes a language for actions and the deontic modalities over actions -- i.e., the modalities permitted, forbidden and obligatory. The work is based on: (1) an action...
L. Thorne McCarty
DKE
2006
93views more  DKE 2006»
14 years 11 months ago
The ramification problem in temporal databases: Changing beliefs about the past
In this paper we study the ramification problem in the setting of temporal databases. Standard solutions from the literature on reasoning about action are inadequate because they ...
Nikos Papadakis, Grigoris Antoniou, Dimitris Plexo...