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Adversarial training, which minimizes the maximal risk for label-preserving input perturbations, has proved to be effective for improving the generalization of language models. In this work, we propose a novel adversarial training…

计算与语言 · 计算机科学 2020-04-24 Chen Zhu , Yu Cheng , Zhe Gan , Siqi Sun , Tom Goldstein , Jingjing Liu

Large Language Models (LLMs) have achieved exceptional capabilities in open generation across various domains, yet they encounter difficulties with tasks that require intensive knowledge. To address these challenges, methods for integrating…

计算与语言 · 计算机科学 2024-12-17 Fali Wang , Runxue Bao , Suhang Wang , Wenchao Yu , Yanchi Liu , Wei Cheng , Haifeng Chen

Probing complex language models has recently revealed several insights into linguistic and semantic patterns found in the learned representations. In this article, we probe BERT specifically to understand and measure the relational…

计算与语言 · 计算机科学 2021-09-09 Jonas Wallat , Jaspreet Singh , Avishek Anand

BERT adopts masked language modeling (MLM) for pre-training and is one of the most successful pre-training models. Since BERT neglects dependency among predicted tokens, XLNet introduces permuted language modeling (PLM) for pre-training to…

计算与语言 · 计算机科学 2020-11-03 Kaitao Song , Xu Tan , Tao Qin , Jianfeng Lu , Tie-Yan Liu

There is growing evidence that pretrained language models improve task-specific fine-tuning not just for the languages seen in pretraining, but also for new languages and even non-linguistic data. What is the nature of this surprising…

计算与语言 · 计算机科学 2021-04-20 Zhengxuan Wu , Nelson F. Liu , Christopher Potts

Recent works show that pre-trained language models (PTLMs), such as BERT, possess certain commonsense and factual knowledge. They suggest that it is promising to use PTLMs as "neural knowledge bases" via predicting masked words.…

计算与语言 · 计算机科学 2020-09-21 Bill Yuchen Lin , Seyeon Lee , Rahul Khanna , Xiang Ren

Machine learning about language can be improved by supplying it with specific knowledge and sources of external information. We present here a new version of the linked open data resource ConceptNet that is particularly well suited to be…

计算与语言 · 计算机科学 2018-12-12 Robyn Speer , Joshua Chin , Catherine Havasi

Neural language representation models such as BERT pre-trained on large-scale corpora can well capture rich semantic patterns from plain text, and be fine-tuned to consistently improve the performance of various NLP tasks. However, the…

计算与语言 · 计算机科学 2019-06-05 Zhengyan Zhang , Xu Han , Zhiyuan Liu , Xin Jiang , Maosong Sun , Qun Liu

Obtaining large-scale annotated data for NLP tasks in the scientific domain is challenging and expensive. We release SciBERT, a pretrained language model based on BERT (Devlin et al., 2018) to address the lack of high-quality, large-scale…

计算与语言 · 计算机科学 2019-09-12 Iz Beltagy , Kyle Lo , Arman Cohan

In this paper we investigate the linguistic knowledge learned by a Neural Language Model (NLM) before and after a fine-tuning process and how this knowledge affects its predictions during several classification problems. We use a wide set…

计算与语言 · 计算机科学 2024-02-27 Alessio Miaschi , Dominique Brunato , Felice Dell'Orletta , Giulia Venturi

Large language models (LLMs) demonstrate remarkable machine translation (MT) abilities via prompting, even though they were not explicitly trained for this task. However, even given the incredible quantities of data they are trained on,…

计算与语言 · 计算机科学 2023-02-16 Marjan Ghazvininejad , Hila Gonen , Luke Zettlemoyer

This evidence-based position paper critiques current research practices within the language model pre-training literature. Despite rapid recent progress afforded by increasingly better pre-trained language models (PLMs), current PLM…

Transformer-based pre-trained language models such as BERT have achieved remarkable results in Semantic Sentence Matching. However, existing models still suffer from insufficient ability to capture subtle differences. Minor noise like word…

计算与语言 · 计算机科学 2023-04-17 Sirui Wang , Di Liang , Jian Song , Yuntao Li , Wei Wu

The transferability of deep neural networks (DNNs) has made significant progress in image and language processing. However, due to the heterogeneity among tables, such DNN bonus is still far from being well exploited on tabular data…

计算与语言 · 计算机科学 2024-03-13 Jiahuan Yan , Bo Zheng , Hongxia Xu , Yiheng Zhu , Danny Z. Chen , Jimeng Sun , Jian Wu , Jintai Chen

Recent years witnessed an increase in the amount of research on the task of Question Difficulty Estimation from Text QDET with Natural Language Processing (NLP) techniques, with the goal of targeting the limitations of traditional…

计算与语言 · 计算机科学 2023-05-18 Luca Benedetto

Pre-trained contextual representations (e.g., BERT) have become the foundation to achieve state-of-the-art results on many NLP tasks. However, large-scale pre-training is computationally expensive. ELECTRA, an early attempt to accelerate…

计算与语言 · 计算机科学 2020-06-17 Zhenhui Xu , Linyuan Gong , Guolin Ke , Di He , Shuxin Zheng , Liwei Wang , Jiang Bian , Tie-Yan Liu

Large Language Models (LLMs) exhibit emerging in-context learning abilities through prompt engineering. The recent progress in large-scale generative models has further expanded their use in real-world language applications. However, the…

计算与语言 · 计算机科学 2024-04-12 Linyi Yang , Shuibai Zhang , Zhuohao Yu , Guangsheng Bao , Yidong Wang , Jindong Wang , Ruochen Xu , Wei Ye , Xing Xie , Weizhu Chen , Yue Zhang

Language model pre-training has been shown to capture a surprising amount of world knowledge, crucial for NLP tasks such as question answering. However, this knowledge is stored implicitly in the parameters of a neural network, requiring…

计算与语言 · 计算机科学 2020-02-21 Kelvin Guu , Kenton Lee , Zora Tung , Panupong Pasupat , Ming-Wei Chang

Pre-trained language models (PLMs) were considered to be able to store relational knowledge present in the training data. However, some relational knowledge seems to be discarded unsafely in PLMs due to \textbf{report bias}: low-frequency…

计算与语言 · 计算机科学 2023-05-25 Hongbo Zhang , Xiang Wan , Benyou Wang

Dense retrievers utilize pre-trained backbone language models (e.g., BERT, LLaMA) that are fine-tuned via contrastive learning to perform the task of encoding text into sense representations that can be then compared via a shallow…

信息检索 · 计算机科学 2025-05-13 Zheng Yao , Shuai Wang , Guido Zuccon
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