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Journal of Logic and Computation 1994 4(5):767-795; doi:10.1093/logcom/4.5.767
© 1994 by Oxford University Press
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Original Articles

Action Under Uncertainty

SAM STEEL

Dept Computer Science, University of Essex Colchester CO4 3SQ, UK. E-mail: sam{at}essex.ac.uk

If one executes a plan, one will need to ‘know whether’ facts tested in it are true, and to ‘know how’ to execute primitive actions in it. It is possible to axiomatize what one needs to know for a plan to be satisfactory. Instead, this paper attempts to explain such knowledge subgoals by showing how they arise from the natural conditions for being a good plan (that it is effective, it terminates and is operational) and from having to act under uncertainty about fact and about meaning.

Keywords: Knowledge goals; uncertainty; varying denotation; operational; plan.


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