Merve Unuvar, Yurdaer Doganata, et al.
CLOUD 2014
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.
Merve Unuvar, Yurdaer Doganata, et al.
CLOUD 2014
Cynthia Dwork, Moni Naor, et al.
Journal of the ACM
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Journal of the ACM
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