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Statistical methods in NLP

Statistical methods in NLP. Diana Trandabat 2013-2014. CKY Parsing. Cocke-Kasami-Younger parsing algorithm: (Relatively) efficient bottom-up parsing algorithm based on tabulating substring parses to avoid repeated work Approach: Use a Chomsky Normal Form grammar

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Intelligent Systems (AI-2) Computer Science cpsc422 , Lecture 28 Mar, 24, 2014

Intelligent Systems (AI-2) Computer Science cpsc422 , Lecture 28 Mar, 24, 2014. Lecture Overview. Recap Probabilistic Context Free Grammars (PCFG) CKY parsing for PCFG (only key steps) PCFG in practice: Modeling Structural and Lexical Dependencies. Sample PCFG. PCFGs are used to….

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368 views • 23 slides

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