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相关论文: A Multilingual Evaluation of NER Robustness to Adv…

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We introduce a new large-scale NLI benchmark dataset, collected via an iterative, adversarial human-and-model-in-the-loop procedure. We show that training models on this new dataset leads to state-of-the-art performance on a variety of…

计算与语言 · 计算机科学 2020-05-07 Yixin Nie , Adina Williams , Emily Dinan , Mohit Bansal , Jason Weston , Douwe Kiela

This paper investigates the problem of Named Entity Recognition (NER) for extreme low-resource languages with only a few hundred tagged data samples. NER is a fundamental task in Natural Language Processing (NLP). A critical driver…

计算与语言 · 计算机科学 2022-12-20 Shashank Sonkar , Zichao Wang , Richard G. Baraniuk

Neural networks are vulnerable to small adversarial perturbations. Existing literature largely focused on understanding and mitigating the vulnerability of learned models. In this paper, we demonstrate an intriguing phenomenon about the…

机器学习 · 计算机科学 2019-02-25 Gavin Weiguang Ding , Kry Yik Chau Lui , Xiaomeng Jin , Luyu Wang , Ruitong Huang

Contextual word embeddings (e.g. GPT, BERT, ELMo, etc.) have demonstrated state-of-the-art performance on various NLP tasks. Recent work with the multilingual version of BERT has shown that the model performs very well in zero-shot and…

计算与语言 · 计算机科学 2020-03-23 Phillip Keung , Yichao Lu , Vikas Bhardwaj

Most of the common applications of Named Entity Recognition (NER) is on English and other highly available languages. In this work, we present our findings on Named Entity Recognition for 5 Nigerian Languages (Nigerian English, Nigerian…

In this paper, we present our approach to extracting structured information from unstructured Electronic Health Records (EHR) [2] which can be used to, for example, study adverse drug reactions in patients due to chemicals in their…

计算与语言 · 计算机科学 2020-01-30 Amogh Kamat Tarcar , Aashis Tiwari , Vineet Naique Dhaimodker , Penjo Rebelo , Rahul Desai , Dattaraj Rao

Named Entity Recognition (NER) is a key component in NLP systems for question answering, information retrieval, relation extraction, etc. NER systems have been studied and developed widely for decades, but accurate systems using deep neural…

计算与语言 · 计算机科学 2019-12-12 Vikas Yadav , Steven Bethard

Neural language models show vulnerability to adversarial examples which are semantically similar to their original counterparts with a few words replaced by their synonyms. A common way to improve model robustness is adversarial training…

计算与语言 · 计算机科学 2022-03-25 Hanjie Chen , Yangfeng Ji

Multilingual training has been shown to improve acoustic modeling performance by sharing and transferring knowledge in modeling different languages. Knowledge sharing is usually achieved by using common lower-level layers for different…

计算与语言 · 计算机科学 2019-06-18 Ke Hu , Hasim Sak , Hank Liao

Named Entity Recognition (NER) is a key NLP task, which is all the more challenging on Web and user-generated content with their diverse and continuously changing language. This paper aims to quantify how this diversity impacts…

计算与语言 · 计算机科学 2017-03-09 Isabelle Augenstein , Leon Derczynski , Kalina Bontcheva

Adversarial attacks expose vulnerabilities of deep learning models by introducing minor perturbations to the input, which lead to substantial alterations in the output. Our research focuses on the impact of such adversarial attacks on…

计算与语言 · 计算机科学 2023-09-14 Pavel Burnyshev , Elizaveta Kostenok , Alexey Zaytsev

Sentiment analysis is a widely studied NLP task where the goal is to determine opinions, emotions, and evaluations of users towards a product, an entity or a service that they are reviewing. One of the biggest challenges for sentiment…

计算与语言 · 计算机科学 2018-06-13 Ethem F. Can , Aysu Ezen-Can , Fazli Can

Textual adversarial attacks can discover models' weaknesses by adding semantic-preserved but misleading perturbations to the inputs. The long-lasting adversarial attack-and-defense arms race in Natural Language Processing (NLP) is…

计算与语言 · 计算机科学 2023-05-31 Yangyi Chen , Hongcheng Gao , Ganqu Cui , Lifan Yuan , Dehan Kong , Hanlu Wu , Ning Shi , Bo Yuan , Longtao Huang , Hui Xue , Zhiyuan Liu , Maosong Sun , Heng Ji

Named Entity Recognition (NER) is an essential precursor task for many natural language applications, such as relation extraction or event extraction. Much of the NER research has been done on datasets with few classes of entity types (e.g.…

计算与语言 · 计算机科学 2020-09-17 Parul Awasthy , Taesun Moon , Jian Ni , Radu Florian

Named entity recognition (NER) is an important task in NLP, which is all the more challenging in conversational domain with their noisy facets. Moreover, conversational texts are often available in limited amount, making supervised tasks…

计算与语言 · 计算机科学 2019-02-22 Rezka Leonandya , Fariz Ikhwantri

We study the problem of training named entity recognition (NER) models using only distantly-labeled data, which can be automatically obtained by matching entity mentions in the raw text with entity types in a knowledge base. The biggest…

计算与语言 · 计算机科学 2021-09-13 Yu Meng , Yunyi Zhang , Jiaxin Huang , Xuan Wang , Yu Zhang , Heng Ji , Jiawei Han

The surge of state-of-the-art Transformer-based models has undoubtedly pushed the limits of NLP model performance, excelling in a variety of tasks. We cast the spotlight on the underexplored task of Natural Language Inference (NLI), since…

计算与语言 · 计算机科学 2025-08-04 Alexandros Koulakos , Maria Lymperaiou , Giorgos Filandrianos , Giorgos Stamou

The release of large natural language inference (NLI) datasets like SNLI and MNLI have led to rapid development and improvement of completely neural systems for the task. Most recently, heavily pre-trained, Transformer-based models like…

计算与语言 · 计算机科学 2019-12-10 Tiffany Chien , Jugal Kalita

Named Entity Recognition(NER) for low-resource languages aims to produce robust systems for languages where there is limited labeled training data available, and has been an area of increasing interest within NLP. Data augmentation for…

计算与语言 · 计算机科学 2026-02-16 Gaurav Kamath , Sowmya Vajjala

Language Models today provide a high accuracy across a large number of downstream tasks. However, they remain susceptible to adversarial attacks, particularly against those where the adversarial examples maintain considerable similarity to…

计算与语言 · 计算机科学 2023-07-25 Neel Bhandari , Pin-Yu Chen