Displaying similar documents to “Computing a glimpse of randomness.”

Random generation for finitely ambiguous context-free languages

Alberto Bertoni, Massimiliano Goldwurm, Massimo Santini (2001)

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications

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We prove that a word of length n from a finitely ambiguous context-free language can be generated at random under uniform distribution in O ( n 2 log n ) time by a probabilistic random access machine assuming a logarithmic cost criterion. We also show that the same problem can be solved in polynomial time for every language accepted by a polynomial time 1 -NAuxPDA with polynomially bounded ambiguity.

ALMA versus DDD

Daniela da Cruz, Pedro Rangel Henriques, Maria João Varanda Pereira (2008)

Computer Science and Information Systems

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