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Which of the following problems is undecidable? A . Determining if a context - free grammar is ambiguous B . Checking if a string belongs
Which of the following problems is undecidable?
A Determining if a contextfree grammar is ambiguous
B Checking if a string belongs to a regular language
C Determining if a contextfree grammar generates an empty language
D Finding the shortest path in a graph
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Spatio Temporal Database Management International Workshop Stdbm 99 Edinburgh Scotland September 10 11 1999 Proceedings Lncs 1678
Authors: Michael H. Bohlen ,Christian S. Jensen ,Michel O. Scholl
1999th Edition
3540664017, 978-3540664017
