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AAAI
2007
15 years 8 months ago
The Semantics of Variables in Action Descriptions
Action description language C+ is more expressive than ADL in many ways; for instance, it addresses the ramification problem. On the other hand, ADL is based on first-order logi...
Vladimir Lifschitz, Wanwan Ren
IJCAI
2007
15 years 7 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
SWAP
2008
15 years 7 months ago
Learning SHIQ+log Rules for Ontology Evolution
The definition of new concepts or roles for which extensional knowledge become available can turn out to be necessary to make a DL ontology evolve. In this paper we reformulate thi...
Francesca A. Lisi, Floriana Esposito
AAAI
1997
15 years 7 months ago
Noise, Non-Determinism and Spatial Uncertainty
This paper presents a logical account of sensor data assimilation in a mobile robot, based on abduction. Unlike previous work, the present formulation handles sensor noise as well...
Murray Shanahan
AAAI
1996
15 years 7 months ago
Noise and the Common Sense Informatic Situation for a Mobile Robot
Any model of the world a robot constructs on the basis of its sensor data is necessarily both incomplete, due to the robot's limited window on the world, and uncertain, due t...
Murray Shanahan