2006 | OriginalPaper | Buchkapitel
Parsing Polish as a Context-Free Language
verfasst von : Stanisław Galus
Erschienen in: Intelligent Information Processing and Web Mining
Verlag: Springer Berlin Heidelberg
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A set of 974 lexical symbols is defined which may appear in Polish text. Based on this set, a context-free grammar is constructed whose Chomsky normal form possesses 755 variables, 490 terminals and 1790 productions. Probabilities of these productions are estimated using over 40000 unparsed sentences. It turns out that a parsing algorithm using the resulting probabilistic context-free grammar parses correctly about 1/4 sentences.