A Cross-Linguistic Pressure for Uniform Information Density in Word Order

A Cross-Linguistic Pressure for Uniform Information Density in Word Order
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词序统一信息密度的跨语言压力

DOI:
10.1162/tacl_a_00589
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发表时间:
2023
影响因子:
10.9
通讯作者:
Levy, Roger
Levy, Roger
中科院分区:
人文科学1区
文献类型:
--
作者:
Clark, Thomas Hikaru;Meister, Clara;Pimentel, Tiago;Hahn, Michael;Cotterell, Ryan;Futrell, Richard;Levy, Roger

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虽然自然语言在规范语序和语序灵活性方面存在很大差异,但它们的语序仍然遵循共同的跨语言统计模式,这通常归因于功能压力。在努力确定这些压力,以前的工作比较了真实的和反事实的语序。然而,在这些研究中,一种功能压力被忽视了:均匀信息密度(UID)假设,该假设认为信息应该均匀地分布在整个话语中。在这里,我们问是否UID的压力可能会影响语序模式跨语言。为此,我们使用计算模型来测试是否真实的订单导致更大的信息一致性比反事实订单。在我们对10种类型多样的语言的实证研究中,我们发现:(i)在SVO语言中,真实的词序一致性比反向词序更大,(ii)只有语言上不可信的反事实顺序一致性超过真实的顺序的一致性。这些发现与自然语言的发展和使用中的信息一致性的压力是一致的。
While natural languages differ widely in both canonical word order and word order flexibility, their word orders still follow shared cross-linguistic statistical patterns, often attributed to functional pressures. In the effort to identify these pressures, prior work has compared real and counterfactual word orders. Yet one functional pressure has been overlooked in such investigations: The uniform information density (UID) hypothesis, which holds that information should be spread evenly throughout an utterance. Here, we ask whether a pressure for UID may have influenced word order patterns cross-linguistically. To this end, we use computational models to test whether real orders lead to greater information uniformity than counterfactual orders. In our empirical study of 10 typologically diverse languages, we find that: (i) among SVO languages, real word orders consistently have greater uniformity than reverse word orders, and (ii) only linguistically implausible counterfactual orders consistently exceed the uniformity of real orders. These findings are compatible with a pressure for information uniformity in the development and usage of natural languages.
DOI: 10.1037/a0024194
发表时间: 2011-09-01
影响因子: 2.6
作者:
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DOI: --
发表时间: 2011
期刊: Annual Meeting of the Association for Computational Linguistics
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DOI: 10.18653/v1/2021.emnlp-main.74
发表时间: 2021
期刊: ArXiv
影响因子: --
作者:
Clara Meister;Tiago Pimentel;Patrick Haller;Lena A. Jager;Ryan Cotterell;R. Levy
通讯作者: R. Levy