Ronald m. kaplan

The formal architecture of Lexical Functional Grammar offers a particular formal device, the structural correspondence, for modularizing the mapping between the surface forms of a language and representations of their underlying meanings. This approach works well when the structural discrepancies between form and meaning representations are finitely bounded, but there are some phenomena in natural language, e.g. adverbs in English, where this restriction does not hold.

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Kaplan et al. (1989) present a framework for translation based on the description and correspondence concepts of LexicalFunctional Grammar (Kaplan and Bresnan, 1982). Certain phenomena, in particular the head-switching of adverbs and verbs, seem to be problematic for that approach. In this paper we suggest that these difficulties are more properly considered as the result of defective monolingual analyses.

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We sketch and illustrate an approach to machine translation that exploits the potential of simultaneous correspondences between separate levels of linguistic representation, as formalized in the LFG notion of codescriptions. The approach is illustrated with examples from English, German and French where the source and the target language sentence show noteworthy differences in linguistic analysis. INTRODUCTION In this paper we sketch an approach to machine translation that offers several advantages compared to many of the other strategies currently being pursued. ...

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The questions before this panel presuppose a distinction between parsing and interpretation. T h e r e are two other simple and obvious distinctions that I think are necessary for a reasonable discussion of the issues. First, we must clearly distinguish between the static specification of a process and its dynamic execution. Second, we must clearly distinguish two purposes that a natural language processing system might serve: one legitimate goal of a system is to perform some practical ~sk efficiently and well. ...

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