On a property of probabilistic context-free grammars

R. Chaudhuri and A. N. V. Rao

International Journal of Mathematics and Mathematical Sciences, 1983, vol. 6, 1-5

Abstract:

It is proved that for a probabilistic context-free language L ( G ) , the population density of a character (terminal symbol) is equal to its relative density in the words of a sample S from L ( G ) whenever the production probabilities of the grammar G are estimated by the relative frequencies of the corresponding productions in the sample.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:485236

DOI: 10.1155/S0161171283000356

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