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首页> 外文会议>22nd International Conference on Computational Linguistics >Relational-Realizational Parsing
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Relational-Realizational Parsing

机译：关系实现解析

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摘要

State-of-the-art statistical parsing models applied to free word-order languages tend to underperform compared to, e.g., parsing English. Constituency-based models often fail to capture generalizations that cannot be stated in structural terms, and dependency-based models employ a 'single-head' assumption that often breaks in the face of multiple exponence. In this paper we suggest that the position of a constituent is a form manifestation of its grammatical function, one among various possible means of realization. We develop the Relational-Realizational approach to parsing in which we untangle the projection of grammatical functions and their means of realization to allow for phrase-structure variability and morphological-syntactic interaction. We empirically demonstrate the application of our approach to parsing Modern Hebrew, obtaining 7% error reduction from previously reported results.
机译：与例如解析英语相比，应用于自由词序语言的最新统计解析模型往往表现不佳。基于选区的模型通常无法捕获无法用结构术语表述的概括，而基于依赖项的模型采用的“单头”假设通常会在面对多重指数时破裂。在本文中，我们建议成分的位置是其语法功能的形式体现，是各种可能的实现方式之一。我们开发了关系-实现方法来解析，其中我们解开了语法功能和它们的实现方式的投影，以允许短语结构的可变性和形态-句法的相互作用。我们凭经验证明了我们的方法在解析现代希伯来语中的应用，从先前报告的结果中减少了7％的错误。

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