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相关论文: Contrastive Bootstrapping for Label Refinement

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Fine-grained classification involves dealing with datasets with larger number of classes with subtle differences between them. Guiding the model to focus on differentiating dimensions between these commonly confusable classes is key to…

计算与语言 · 计算机科学 2021-09-14 Varsha Suresh , Desmond C. Ong

Existing text classification methods mainly focus on a fixed label set, whereas many real-world applications require extending to new fine-grained classes as the number of samples per label increases. To accommodate such requirements, we…

计算与语言 · 计算机科学 2021-09-23 Dheeraj Mekala , Varun Gangal , Jingbo Shang

Graph contrastive learning (GCL) has been widely applied to text classification tasks due to its ability to generate self-supervised signals from unlabeled data, thus facilitating model training. However, existing GCL-based text…

机器学习 · 计算机科学 2024-10-25 Wei Ai , Jianbin Li , Ze Wang , Jiayi Du , Tao Meng , Yuntao Shou , Keqin Li

In this paper, we explore how to utilize pre-trained language model to perform few-shot text classification where only a few annotated examples are given for each class. Since using traditional cross-entropy loss to fine-tune language model…

计算与语言 · 计算机科学 2022-10-03 Liwen Sun , Jiawei Han

Learning multi-label image recognition with incomplete annotation is gaining popularity due to its superior performance and significant labor savings when compared to training with fully labeled datasets. Existing literature mainly focuses…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Cheng Chen , Yifan Zhao , Jia Li

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

计算与语言 · 计算机科学 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

This paper presents an approach to improve text embedding models through contrastive fine-tuning on small datasets augmented with expert scores. It focuses on enhancing semantic textual similarity tasks and addressing text retrieval…

计算与语言 · 计算机科学 2024-08-23 Jun Lu , David Li , Bill Ding , Yu Kang

Dataless text classification is capable of classifying documents into previously unseen labels by assigning a score to any document paired with a label description. While promising, it crucially relies on accurate descriptions of the label…

计算与语言 · 计算机科学 2020-12-09 Zewei Chu , Karl Stratos , Kevin Gimpel

We propose a framework using contrastive learning as a pre-training task to perform image classification in the presence of noisy labels. Recent strategies such as pseudo-labeling, sample selection with Gaussian Mixture models, weighted…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Madalina Ciortan , Romain Dupuis , Thomas Peel

The goal of few-shot classification is to classify new categories with few labeled examples within each class. Nowadays, the excellent performance in handling few-shot classification problems is shown by metric-based meta-learning methods.…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Xu Luo , Yuxuan Chen , Liangjian Wen , Lili Pan , Zenglin Xu

Zero-shot text classification remains a difficult task in domains with evolving knowledge and ambiguous category boundaries, such as ticketing systems. Large language models (LLMs) often struggle to generalize in these scenarios due to…

机器学习 · 计算机科学 2025-08-05 Amrit Rajeev , Udayaadithya Avadhanam , Harshula Tulapurkar , SaiBarath Sundar

Labeling a classification dataset implies to define classes and associated coarse labels, that may approximate a smoother and more complicated ground truth. For example, natural images may contain multiple objects, only one of which is…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Raphael Baena , Lucas Drumetz , Vincent Gripon

Deep learning has achieved great success in recent years with the aid of advanced neural network structures and large-scale human-annotated datasets. However, it is often costly and difficult to accurately and efficiently annotate…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Chen Feng , Ioannis Patras

Fine-grained category discovery using only coarse-grained supervision is a cost-effective yet challenging task. Previous training methods focus on aligning query samples with positive samples and distancing them from negatives. They often…

人工智能 · 计算机科学 2025-02-07 Chang Tian , Matthew B. Blaschko , Wenpeng Yin , Mingzhe Xing , Yinliang Yue , Marie-Francine Moens

Deep neural networks have shown impressive performance in supervised learning, enabled by their ability to fit well to the provided training data. However, their performance is largely dependent on the quality of the training data and often…

机器学习 · 计算机科学 2021-11-11 Abhishek Kumar , Ehsan Amid

Clustering is the task of gathering similar data samples into clusters without using any predefined labels. It has been widely studied in machine learning literature, and recent advancements in deep learning have revived interest in this…

机器学习 · 计算机科学 2023-09-04 Mohammadreza Sadeghi , Hadi Hojjati , Narges Armanfard

In real-world scenarios, a text classification task often begins with a cold start, when labeled data is scarce. In such cases, the common practice of fine-tuning pre-trained models, such as BERT, for a target classification task, is prone…

计算与语言 · 计算机科学 2022-03-22 Eyal Shnarch , Ariel Gera , Alon Halfon , Lena Dankin , Leshem Choshen , Ranit Aharonov , Noam Slonim

Understanding fine-grained links between documents is crucial for many applications, yet progress is limited by the lack of efficient methods for data curation. To address this limitation, we introduce a domain-agnostic framework for…

计算与语言 · 计算机科学 2026-01-27 Serwar Basch , Ilia Kuznetsov , Tom Hope , Iryna Gurevych

Commit Classification (CC) is an important task in software maintenance, which helps software developers classify code changes into different types according to their nature and purpose. It allows developers to understand better how their…

软件工程 · 计算机科学 2023-08-17 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

Few-shot classification aims at classifying categories of a novel task by learning from just a few (typically, 1 to 5) labelled examples. An effective approach to few-shot classification involves a prior model trained on a large-sample base…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Rajshekhar Das , Yu-Xiong Wang , JoséM. F. Moura
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