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Text classification systems have been proven vulnerable to adversarial text examples, modified versions of the original text examples that are often unnoticed by human eyes, yet can force text classification models to alter their…

计算与语言 · 计算机科学 2024-02-07 Norah Alshahrani , Saied Alshahrani , Esma Wali , Jeanna Matthews

Neural network models have been very successful at achieving high accuracy on natural language inference (NLI) tasks. However, as demonstrated in recent literature, when tested on some simple adversarial examples, most of the models suffer…

计算与语言 · 计算机科学 2019-09-04 Alexander Hanbo Li , Abhinav Sethy

Pre-trained language models such as BERT have become a more common choice of natural language processing (NLP) tasks. Research in word representation shows that isotropic embeddings can significantly improve performance on downstream tasks.…

计算与语言 · 计算机科学 2021-08-30 Yuxin Liang , Rui Cao , Jie Zheng , Jie Ren , Ling Gao

The surge of interest in data augmentation within the realm of NLP has been driven by the need to address challenges posed by hate speech domains, the dynamic nature of social media vocabulary, and the demands for large-scale neural…

计算与语言 · 计算机科学 2024-04-02 Md Saroar Jahan , Mourad Oussalah , Djamila Romaissa Beddia , Jhuma kabir Mim , Nabil Arhab

Recent state-of-the-art language models utilize a two-phase training procedure comprised of (i) unsupervised pre-training on unlabeled text, and (ii) fine-tuning for a specific supervised task. More recently, many studies have been focused…

计算与语言 · 计算机科学 2019-11-15 Itzik Malkiel , Lior Wolf

Currently, the most widespread neural network architecture for training language models is the so called BERT which led to improvements in various Natural Language Processing (NLP) tasks. In general, the larger the number of parameters in a…

计算与语言 · 计算机科学 2021-11-02 Jochen Zöllner , Konrad Sperfeld , Christoph Wick , Roger Labahn

The recently proposed BERT has shown great power on a variety of natural language understanding tasks, such as text classification, reading comprehension, etc. However, how to effectively apply BERT to neural machine translation (NMT) lacks…

计算与语言 · 计算机科学 2020-02-18 Jinhua Zhu , Yingce Xia , Lijun Wu , Di He , Tao Qin , Wengang Zhou , Houqiang Li , Tie-Yan Liu

In recent years, pre-trained models have become dominant in most natural language processing (NLP) tasks. However, in the area of Automated Essay Scoring (AES), pre-trained models such as BERT have not been properly used to outperform other…

计算与语言 · 计算机科学 2022-05-24 Yongjie Wang , Chuan Wang , Ruobing Li , Hui Lin

Fine-tuning pre-trained language models (PTLMs), such as BERT and its better variant RoBERTa, has been a common practice for advancing performance in natural language understanding (NLU) tasks. Recent advance in representation learning…

计算与语言 · 计算机科学 2021-02-05 Wenxuan Zhou , Bill Yuchen Lin , Xiang Ren

Recently proposed BERT-based evaluation metrics for text generation perform well on standard benchmarks but are vulnerable to adversarial attacks, e.g., relating to information correctness. We argue that this stems (in part) from the fact…

计算与语言 · 计算机科学 2023-12-27 Yanran Chen , Steffen Eger

Generalization and robustness are both key desiderata for designing machine learning methods. Adversarial training can enhance robustness, but past work often finds it hurts generalization. In natural language processing (NLP), pre-training…

计算与语言 · 计算机科学 2020-05-01 Xiaodong Liu , Hao Cheng , Pengcheng He , Weizhu Chen , Yu Wang , Hoifung Poon , Jianfeng Gao

Natural Language Processing (NLP) has witnessed a transformative leap with the advent of transformer-based architectures, which have significantly enhanced the ability of machines to understand and generate human-like text. This paper…

计算与语言 · 计算机科学 2025-03-27 Tianhao Wu , Yu Wang , Ngoc Quach

Recent analysis of deep neural networks has revealed their vulnerability to carefully structured adversarial examples. Many effective algorithms exist to craft these adversarial examples, but performant defenses seem to be far away. In this…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Neale Ratzlaff , Li Fuxin

Recently, the pre-trained language model, BERT (and its robustly optimized version RoBERTa), has attracted a lot of attention in natural language understanding (NLU), and achieved state-of-the-art accuracy in various NLU tasks, such as…

计算与语言 · 计算机科学 2019-09-30 Wei Wang , Bin Bi , Ming Yan , Chen Wu , Zuyi Bao , Jiangnan Xia , Liwei Peng , Luo Si

Fine-tuned Bidirectional Encoder Representations from Transformers (BERT)-based sequence classification models have proven to be effective for detecting Alzheimer's Disease (AD) from transcripts of human speech. However, previous research…

计算与语言 · 计算机科学 2020-11-13 Aparna Balagopalan , Jekaterina Novikova

The BERT model has shown significant success on various natural language processing tasks. However, due to the heavy model size and high computational cost, the model suffers from high latency, which is fatal to its deployments on…

计算与语言 · 计算机科学 2021-02-22 Seohyeong Jeong , Nojun Kwak

Contextualized representations from a pre-trained language model are central to achieve a high performance on downstream NLP task. The pre-trained BERT and A Lite BERT (ALBERT) models can be fine-tuned to give state-ofthe-art results in…

计算与语言 · 计算机科学 2021-01-27 Hyunjin Choi , Judong Kim , Seongho Joe , Youngjune Gwon

In this review, we describe the application of one of the most popular deep learning-based language models - BERT. The paper describes the mechanism of operation of this model, the main areas of its application to the tasks of text…

计算与语言 · 计算机科学 2021-03-23 M. V. Koroteev

Biomedical Named Entity Recognition (NER) is a fundamental task of Biomedical Natural Language Processing for extracting relevant information from biomedical texts, such as clinical records, scientific publications, and electronic health…

计算与语言 · 计算机科学 2023-12-27 Fahime Shahrokh , Nasser Ghadiri , Rasoul Samani , Milad Moradi

The enormous amount of data being generated on the web and social media has increased the demand for detecting online hate speech. Detecting hate speech will reduce their negative impact and influence on others. A lot of effort in the…

计算与语言 · 计算机科学 2021-11-03 Hind Saleh , Areej Alhothali , Kawthar Moria