Reasoning about Noisy Sensors in the Situation Calculus
Fahiem Bacchus, Joseph Y. Halpern, et al.
IJCAI 1995
An investigation is made of certain quantitative and qualitative aspects of inherent ambiguity of context-free languages. Two main results are proved. The first asserts that for every integer k there are inherently k-ambiguous context-free subsets of abc*. This result is obtained as a corollary of a more general result concerning ambiguous presentations of semilinear sets. The second result asserts that inherent ambiguity can arise from the “nesting” property of context-free languages, as well as from the “pairwise matching” property. © 1970, ACM. All rights reserved.
Fahiem Bacchus, Joseph Y. Halpern, et al.
IJCAI 1995
Chen-chia Chang, Wan-hsuan Lin, et al.
ICML 2025
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