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Disambiguiation of Syntactic Structures of Japanese Noun Phrases "NP 'no' NP " by PCFG Having Cooccurrence Constraints Embedded

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Abstract The noun phrase "NP 'no' NP", that consists of two noun phrases connected by an adnominal particles 'no', is frequently used in Japanese sentences. The surface structure of this phrase is simple, but ...it has various semantic structures. There has been proposed a grammar to get the semantic structure of this phrase systematically from its syntactic structure. And it is important to get a valid syntactic structure of an input noun phrase. However, there are several syntactic structures corresponding to the input noun phrase. This paper presents a Probabilistic Context Free Grammar(PCFG), which has coocurrence constraints embedded by subdividing a nonterminal with the semantic category of the headword of the phrase derived from it. Then the result of the experiment shows the effectiveness of this PCFG.show more

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Created Date 2015.05.15
Modified Date 2020.11.02

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