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NLP领域最先进的泛化研究:分类体系与综述

State-of-the-art generalisation research in NLP: A taxonomy and review

FAIR;University of Amsterdam(阿姆斯特丹大学);ETH Zürich(苏黎世联邦理工学院);University of Edinburgh(爱丁堡大学);Reka AI;Allen Institute for AI(艾伦人工智能研究所);University of Washington(华盛顿大学);University of Cambridge(剑桥大学);Amazon Alexa AI(亚马逊Alexa AI);École Normale Supérieure-PSL(巴黎高等师范学院-PSL);The World Bank(世界银行);Harvard University(哈佛大学);University of Aberdeen(阿伯丁大学);IT University of Copenhagen(哥本哈根信息技术大学);Pioneer Centre for Artificial Intelligence(先锋人工智能中心);Textshuttle;National University of Mongolia(蒙古国立大学);Hong Kong University of Science and Technology(香港科技大学);MIT(麻省理工学院);Max Planck Institute for Intelligent Systems(马克斯·普朗克智能系统研究所)
Dieuwke Hupkes, Mario Giulianelli, Verna Dankers, Mikel Artetxe, Yanai Elazar, Tiago Pimentel, Christos Christodoulopoulos, Karim Lasri, Naomi Saphra, Arabella … 展开作者

Dieuwke Hupkes, Mario Giulianelli, Verna Dankers, Mikel Artetxe, Yanai Elazar, Tiago Pimentel, Christos Christodoulopoulos, Karim Lasri, Naomi Saphra, Arabella Sinclair, Dennis Ulmer, Florian Schottmann, Khuyagbaatar Batsuren, Kaiser Sun, Koustuv Sinha, Leila Khalatbari, Maria Ryskina, Rita Frieske, Ryan Cotterell, Zhijing Jin

AI总结:

本文提出一个包含五个维度的NLP泛化研究分类体系,对400余篇论文的600多个实验进行分类综述,分析现状并提出未来研究方向。

摘要:

良好的泛化能力是自然语言处理(NLP)的首要目标之一。然而,什么是“良好的泛化”、应当如何评估泛化,目前尚未得到充分理解,也缺乏针对泛化的评估标准。本文为这两个问题奠定了基础。我们提出了一个用于刻画和理解NLP泛化研究的分类体系。该分类体系基于对泛化研究的广泛文献综述,包含五个可区分不同研究的维度:主要动机、所研究的泛化类型、所考虑的数据偏移类型、该数据偏移的来源,以及偏移在建模流程中的位置。我们使用该分类体系对400余篇测试泛化的论文进行了分类,涵盖总计600多个独立实验。基于综述结果,我们进行了深入分析,勾勒出NLP泛化研究的现状,并就未来值得关注的领域提出了建议。随本文一同发布的还有一个网页,可动态探索综述结果,我们计划随着新的NLP泛化研究发表而持续更新。通过这项工作,我们旨在推动最先进的泛化测试成为NLP领域的新常态。

英文摘要:

The ability to generalise well is one of the primary desiderata of natural language processing (NLP). Yet, what 'good generalisation' entails and how it should be evaluated is not well understood, nor are there any evaluation standards for generalisation. In this paper, we lay the groundwork to address both of these issues. We present a taxonomy for characterising and understanding generalisation research in NLP. Our taxonomy is based on an extensive literature review of generalisation research, and contains five axes along which studies can differ: their main motivation, the type of generalisation they investigate, the type of data shift they consider, the source of this data shift, and the locus of the shift within the modelling pipeline. We use our taxonomy to classify over 400 papers that test generalisation, for a total of more than 600 individual experiments. Considering the results of this review, we present an in-depth analysis that maps out the current state of generalisation research in NLP, and we make recommendations for which areas might deserve attention in the future. Along with this paper, we release a webpage where the results of our review can be dynamically explored, and which we intend to update as new NLP generalisation studies are published. With this work, we aim to take steps towards making state-of-the-art generalisation testing the new status quo in NLP.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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