Elaborative Simplification as Implicit Questions Under Discussion

Elaborative Simplification as Implicit Questions Under Discussion
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精心简化作为讨论中的隐含问题

DOI:
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发表时间:
2023
期刊:
Conference on Empirical Methods in Natural Language Processing
影响因子:
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通讯作者:
Junyi Jessy Li
Junyi Jessy Li
中科院分区:
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文献类型:
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作者:
Yating Wu;William Sheffield;Kyle Mahowald;Junyi Jessy Li

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自动文本简化是一种使文本更容易被儿童和紧急双语者等人群访问的技术,通常被认为是使用编码器-解码器模型从复杂句子到简化句子的单语翻译任务。这种观点没有考虑到精心简化,即在简化的文本中添加新的信息。本文提出通过“讨论中的问题”(Question Under Discussion,QUD)框架的透镜来观察阐述性简化,通过将阐述视为对隐含问题的明确回答,提供了一种强有力的方法来研究作者阐述了什么,他们如何阐述,以及阐述如何融入语篇语境。我们引入ElabQUD,由1.3K的阐述伴随着隐式量子点,研究这些现象。我们表明,明确建模QUD(通过问题生成)不仅提供了必要的理解,精心简化和如何与其余的话语的精心连接,但也大大提高了精心制作的质量生成。
Automated text simplification, a technique useful for making text more accessible to people such as children and emergent bilinguals, is often thought of as a monolingual translation task from complex sentences to simplified sentences using encoder-decoder models. This view fails to account for elaborative simplification, where new information is added into the simplified text. This paper proposes to view elaborative simplification through the lens of the Question Under Discussion (QUD) framework, providing a robust way to investigate what writers elaborate upon, how they elaborate, and how elaborations fit into the discourse context by viewing elaborations as explicit answers to implicit questions. We introduce ElabQUD, consisting of 1.3K elaborations accompanied with implicit QUDs, to study these phenomena. We show that explicitly modeling QUD (via question generation) not only provides essential understanding of elaborative simplification and how the elaborations connect with the rest of the discourse, but also substantially improves the quality of elaboration generation.
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期刊: --
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影响因子: --
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