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Báo cáo khoa học: "A Lazy Way to Chart-Parse with Categorial Grammars"

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Báo cáo khoa học: "A Lazy Way to Chart-Parse with Categorial Grammars"

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There has recendy been a revival of interest in Categorial Grammars (CG) among computational linguists. The various versions noted below which extend pure C G by including operations such as functional composition have been claimed to offer simple and uniform accounts of a wide range of natural language (NL) constructions involving bounded and unbounded "movement" and coordination "reduction" in a number of languages. Such grammars have obvious advantages for computational applications, provided that they can be parsed efficiently. However, many of the proposed extensions engender proliferatingsemantically equivalent surface syntactic analyses.These "spurious analyses" have been claimed to compromise theirefficient...

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