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The deployment of autonomous agents in real-world scenarios is challenged by "unknown unknowns", i.e. novel unexpected environments not encountered during training, such as degraded signs. While existing research focuses on anomaly…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Abhibha Gupta , Rully Agus Hendrawan , Mansur Arief

Most state-of-the-art models for named entity recognition (NER) rely on the availability of large amounts of labeled data, making them challenging to extend to new, lower-resourced languages. However, there are now several proposed…

计算与语言 · 计算机科学 2019-08-27 Aditi Chaudhary , Jiateng Xie , Zaid Sheikh , Graham Neubig , Jaime G. Carbonell

Dataset augmentation, the practice of applying a wide array of domain-specific transformations to synthetically expand a training set, is a standard tool in supervised learning. While effective in tasks such as visual recognition, the set…

机器学习 · 统计学 2017-02-21 Terrance DeVries , Graham W. Taylor

Existing approaches for named entity recognition suffer from data sparsity problems when conducted on short and informal texts, especially user-generated social media content. Semantic augmentation is a potential way to alleviate this…

计算与语言 · 计算机科学 2020-10-30 Yuyang Nie , Yuanhe Tian , Xiang Wan , Yan Song , Bo Dai

Text style transfer without parallel data has achieved some practical success. However, in the scenario where less data is available, these methods may yield poor performance. In this paper, we examine domain adaptation for text style…

计算与语言 · 计算机科学 2019-08-27 Dianqi Li , Yizhe Zhang , Zhe Gan , Yu Cheng , Chris Brockett , Ming-Ting Sun , Bill Dolan

Addressing the challenge of data scarcity in industrial domains, transfer learning emerges as a pivotal paradigm. This work introduces Style Filter, a tailored methodology for industrial contexts. By selectively filtering source domain data…

机器学习 · 计算机科学 2024-03-26 Chen Li , Ruijie Ma , Xiang Qian , Xiaohao Wang , Xinghui Li

In many cases of machine learning, research suggests that the development of training data might have a higher relevance than the choice and modelling of classifiers themselves. Thus, data augmentation methods have been developed to improve…

计算与语言 · 计算机科学 2022-07-25 Markus Bayer , Marc-André Kaufhold , Björn Buchhold , Marcel Keller , Jörg Dallmeyer , Christian Reuter

Recent approaches based on artificial neural networks (ANNs) have shown promising results for named-entity recognition (NER). In order to achieve high performances, ANNs need to be trained on a large labeled dataset. However, labels might…

计算与语言 · 计算机科学 2017-05-18 Ji Young Lee , Franck Dernoncourt , Peter Szolovits

Self-supervised representation learning often uses data augmentations to induce some invariance to "style" attributes of the data. However, with downstream tasks generally unknown at training time, it is difficult to deduce a priori which…

Style transfer is an important problem in natural language processing (NLP). However, the progress in language style transfer is lagged behind other domains, such as computer vision, mainly because of the lack of parallel data and principle…

计算与语言 · 计算机科学 2017-11-28 Zhenxin Fu , Xiaoye Tan , Nanyun Peng , Dongyan Zhao , Rui Yan

Recently, neural networks have shown promising results for named entity recognition (NER), which needs a number of labeled data to for model training. When meeting a new domain (target domain) for NER, there is no or a few labeled data,…

计算与语言 · 计算机科学 2018-10-17 Lin Li , Yueqing Sun

Data augmentation techniques have been widely used to improve machine learning performance as they enhance the generalization capability of models. In this work, to generate high quality synthetic data for low-resource tagging tasks, we…

计算与语言 · 计算机科学 2020-11-04 Bosheng Ding , Linlin Liu , Lidong Bing , Canasai Kruengkrai , Thien Hai Nguyen , Shafiq Joty , Luo Si , Chunyan Miao

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

计算与语言 · 计算机科学 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

Reading comprehension is a challenging task in natural language processing and requires a set of skills to be solved. While current approaches focus on solving the task as a whole, in this paper, we propose to use a neural network `skill'…

计算与语言 · 计算机科学 2017-11-13 Todor Mihaylov , Zornitsa Kozareva , Anette Frank

Currently, style augmentation is capturing attention due to convolutional neural networks (CNN) being strongly biased toward recognizing textures rather than shapes. Most existing styling methods either perform a low-fidelity style transfer…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Felipe Moreno-Vera , Edgar Medina , Jorge Poco

Low-resource named entity recognition is still an open problem in NLP. Most state-of-the-art systems require tens of thousands of annotated sentences in order to obtain high performance. However, for most of the world's languages, it is…

计算与语言 · 计算机科学 2024-04-16 Ryan Cotterell , Kevin Duh

Supervised learning models are typically trained on a single dataset and the performance of these models rely heavily on the size of the dataset, i.e., amount of data available with the ground truth. Learning algorithms try to generalize…

计算与语言 · 计算机科学 2018-02-19 Somnath Basu Roy Chowdhury , K M Annervaz , Ambedkar Dukkipati

Named Entity Recognition (NER) is a low-level task often used as a foundation for solving higher level NLP problems. In the context of character detection in novels, NER false negatives can be an issue as they possibly imply missing certain…

计算与语言 · 计算机科学 2023-02-10 Arthur Amalvy , Vincent Labatut , Richard Dufour

Pretrained multilingual language models have become a common tool in transferring NLP capabilities to low-resource languages, often with adaptations. In this work, we study the performance, extensibility, and interaction of two such…

计算与语言 · 计算机科学 2022-06-22 Ethan C. Chau , Noah A. Smith

Deep learning models dealing with image understanding in real-world settings must be able to adapt to a wide variety of tasks across different domains. Domain adaptation and class incremental learning deal with domain and task variability…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Marco Toldo , Umberto Michieli , Pietro Zanuttigh