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arXiv 2110.06366cs.CL
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时态语言模型的时间掩蔽

Time Masking for Temporal Language Models

Technion(以色列理工学院);Ben-Gurion University of the Negev(内盖夫本-古里安大学)

Guy D. Rosin, Ido Guy, Kira Radinsky

摘要:

我们的世界在不断发展,网络上的内容也是如此。因此,我们的语言,通常被认为是世界的镜子,本质上是动态的。然而,大多数当前的上下文语言模型是静态的,不能适应随着时间的变化。在这项工作中,我们提出了一个时间上下文语言模型称为TempoBERT,它使用时间作为文本的附加上下文。我们的技术是基于修改文本的时间信息和执行时间掩蔽特定掩蔽的补充时间信息。我们利用我们的方法进行语义变化检测和句子时间预测的任务,在时间,大小,体裁和语言方面对不同的数据集进行实验。我们广泛的评估表明,这两个任务受益于利用时间掩蔽。

英文摘要:

Our world is constantly evolving, and so is the content on the web. Consequently, our languages, often said to mirror the world, are dynamic in nature. However, most current contextual language models are static and cannot adapt to changes over time. In this work, we propose a temporal contextual language model called TempoBERT, which uses time as an additional context of texts. Our technique is based on modifying texts with temporal information and performing time masking - specific masking for the supplementary time information. We leverage our approach for the tasks of semantic change detection and sentence time prediction, experimenting on diverse datasets in terms of time, size, genre, and language. Our extensive evaluation shows that both tasks benefit from exploiting time masking.

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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