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Learning from a few examples is an important practical aspect of training classifiers. Various works have examined this aspect quite well. However, all existing approaches assume that the few examples provided are always correctly labeled.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Pratik Mazumder , Pravendra Singh , Vinay P. Namboodiri

Graph representation learning, a critical step in graph-centric tasks, has seen significant advancements. Earlier techniques often operate in an end-to-end setting, which heavily rely on the availability of ample labeled data. This…

Machine Learning · Computer Science 2024-09-23 Xingtong Yu , Yuan Fang , Zemin Liu , Yuxia Wu , Zhihao Wen , Jianyuan Bo , Xinming Zhang , Steven C. H. Hoi

In recent years, the adoption of cloud services has been expanding at an unprecedented rate. As more and more organizations migrate or deploy their businesses to the cloud, a multitude of related cybersecurity incidents such as data…

Cryptography and Security · Computer Science 2025-06-23 Fei Zuo , Junghwan Rhee , Yung Ryn Choe , Chenglong Fu , Xianshan Qu

This paper addresses the problem of selecting of a set of texts for annotation in text classification using retrieval methods when there are limits on the number of annotations due to constraints on human resources. An additional challenge…

Computation and Language · Computer Science 2023-11-13 Sareh Ahmadi , Aditya Shah , Edward Fox

Text classification tends to struggle when data is deficient or when it needs to adapt to unseen classes. In such challenging scenarios, recent studies have used meta-learning to simulate the few-shot task, in which new queries are compared…

Computation and Language · Computer Science 2019-10-01 Ruiying Geng , Binhua Li , Yongbin Li , Xiaodan Zhu , Ping Jian , Jian Sun

Multi-label few-shot aspect category detection aims at identifying multiple aspect categories from sentences with a limited number of training instances. The representation of sentences and categories is a key issue in this task. Most of…

Computation and Language · Computer Science 2024-07-31 ChaoFeng Guan , YaoHui Zhu , Yu Bai , LingYun Wang

Few-shot classification is a challenging task which aims to formulate the ability of humans to learn concepts from limited prior data and has drawn considerable attention in machine learning. Recent progress in few-shot classification has…

Machine Learning · Computer Science 2020-04-14 Meiyu Huang , Xueshuang Xiang , Yao Xu

The climate crisis is a salient issue in online discussions, and hypocrisy accusations are a central rhetorical element in these debates. However, for large-scale text analysis, hypocrisy accusation detection is an understudied tool, most…

Computation and Language · Computer Science 2024-09-26 Paulina Garcia Corral , Avishai Green , Hendrik Meyer , Anke Stoll , Xiaoyue Yan , Myrthe Reuver

In recent works, utilizing a deep network trained on meta-training set serves as a strong baseline in few-shot learning. In this paper, we move forward to refine novel-class features by finetuning a trained deep network. Finetuning is…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Ran Tao , Han Zhang , Yutong Zheng , Marios Savvides

Meta-learning has emerged as a trending technique to tackle few-shot text classification and achieved state-of-the-art performance. However, existing solutions heavily rely on the exploitation of lexical features and their distributional…

Computation and Language · Computer Science 2021-07-27 ChengCheng Han , Zeqiu Fan , Dongxiang Zhang , Minghui Qiu , Ming Gao , Aoying Zhou

Graph few-shot learning, which aims to classify nodes from novel classes with only a few labeled examples, is a widely studied problem in graph learning. However, existing methods often face two key limitations. First, the predominant graph…

Artificial Intelligence · Computer Science 2026-05-26 Renchu Guan , Yajun Wang , Chunli Guo , Bowen Cao , Fausto Giunchiglia , Wei Pang , Yonghao Liu , Xiaoyue Feng

The goal of stance detection is to determine the viewpoint expressed in a piece of text towards a target. These viewpoints or contexts are often expressed in many different languages depending on the user and the platform, which can be a…

Computation and Language · Computer Science 2021-12-22 Momchil Hardalov , Arnav Arora , Preslav Nakov , Isabelle Augenstein

Automatic extraction of medical information from clinical documents poses several challenges: high costs of required clinical expertise, limited interpretability of model predictions, restricted computational resources and privacy…

Recent research on sequence labelling has been exploring different strategies to mitigate the lack of manually annotated data for the large majority of the world languages. Among others, the most successful approaches have been based on (i)…

Computation and Language · Computer Science 2024-07-30 Anar Yeginbergen , Maite Oronoz , Rodrigo Agerri

Modern classification models tend to struggle when the amount of annotated data is scarce. To overcome this issue, several neural few-shot classification models have emerged, yielding significant progress over time, both in Computer Vision…

Computation and Language · Computer Science 2021-01-29 Thomas Dopierre , Christophe Gravier , Wilfried Logerais

Recent prompt-based approaches allow pretrained language models to achieve strong performances on few-shot finetuning by reformulating downstream tasks as a language modeling problem. In this work, we demonstrate that, despite its…

Computation and Language · Computer Science 2021-09-10 Prasetya Ajie Utama , Nafise Sadat Moosavi , Victor Sanh , Iryna Gurevych

In this paper, we investigate the feasibility of applying few-shot learning algorithms to a speech task. We formulate a user-defined scenario of spoken term classification as a few-shot learning problem. In most few-shot learning studies,…

Computation and Language · Computer Science 2020-09-15 Yangbin Chen , Tom Ko , Lifeng Shang , Xiao Chen , Xin Jiang , Qing Li

Detecting social bias in text is challenging due to nuance, subjectivity, and difficulty in obtaining good quality labeled datasets at scale, especially given the evolving nature of social biases and society. To address these challenges, we…

Computation and Language · Computer Science 2022-04-19 Shrimai Prabhumoye , Rafal Kocielnik , Mohammad Shoeybi , Anima Anandkumar , Bryan Catanzaro

Large-scale pretrained language models have led to dramatic improvements in text generation. Impressive performance can be achieved by finetuning only on a small number of instances (few-shot setting). Nonetheless, almost all previous work…

Computation and Language · Computer Science 2021-07-08 Ernie Chang , Xiaoyu Shen , Hui-Syuan Yeh , Vera Demberg

Meta-learning for few-shot learning entails acquiring a prior over previous tasks and experiences, such that new tasks be learned from small amounts of data. However, a critical challenge in few-shot learning is task ambiguity: even when a…

Machine Learning · Computer Science 2019-10-18 Chelsea Finn , Kelvin Xu , Sergey Levine