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篇章级小句复合体结构自动分析

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话头话身共享关系是小句组合成小句复合体的重要语法手段,也是汉语篇章级句法语 义分析的重要基础。本文通过引入窗口滑动机制,将篇章文本及其成分共享关系转换 为文本片段及片段内部的成分共享关系预测问题,并针对预测结果合并与选择问题, 依据话头话身共享关系的语法限定性,提出了多种候选项消除策略。实验结果表明,本文方法在缺少小句复合体边界信息条件下仍取得了与传统基于NTC的方法可比的实 验结果,尤其是在确实缺失共享成分的待预测位置处的召回率提高了约0。4个百分点。
篇章级小句复合体结构自动分析
The naming-telling relationship is an important grammatical method for combining clauses into clause corhplexes, and it is also an important basis for Chinese text-level syntactic and semantic analysis. In this paper, by introducing the window sliding mechanism, the text and its component sharing relationship are transformed into the prediction problem of the text segment and the component sharing relationship within the segment. At the same time, in view of the problem of combining and selecting prediction results, this paper proposes a variety of candidate elimination strategies based on the grammatical limitation of the sharing relationship between words and phrases. The experimental results show that the method in this paper still achieves comparable experimental results with the traditional NTC-based methods in the absence of the boundary information of the clause complex, especially the recall rate at the to-be-predicted position where the shared components are indeed missing is improved by about 0.4 points.

小句复合体;边界;滑动窗口;预训练语言

罗智勇、韩瑞昉、张明明、韩玉蛟、赵志琳

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北京语言大学

小句复合体;边界;滑动窗口;预训练语言

Chinese national conference on computational linguistic

Nanchang(CN)

The 21st Chinese national conference on computational linguistic

623-633

2022