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We extend our previous work on Inductive Conformal Prediction (ICP) for multi-label text classification and present a novel approach for addressing the computational inefficiency of the Label Powerset (LP) ICP, arrising when dealing with a…

Recent studies indicate that deep neural networks degrade in generalization performance under noisy supervision. Existing methods focus on isolating clean subsets or correcting noisy labels, facing limitations such as high computational…

机器学习 · 计算机科学 2025-10-30 Kuan Zhang , Chengliang Chai , Jingzhe Xu , Chi Zhang , Han Han , Ye Yuan , Guoren Wang , Lei Cao

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

Identifying breakdowns in ongoing dialogues helps to improve communication effectiveness. Most prior work on this topic relies on human annotated data and data augmentation to learn a classification model. While quality labeled dialogue…

计算与语言 · 计算机科学 2022-04-20 Qian Lin , Hwee Tou Ng

It is known that a deep neural network model pre-trained with large-scale data greatly improves the accuracy of various tasks, especially when there are resource constraints. However, the information needed to solve a given task can vary,…

计算与语言 · 计算机科学 2019-04-17 Masahiro Kaneko , Mamoru Komachi

Fine-tuning vision-language models (VLMs) like CLIP to downstream tasks is often necessary to optimize their performance. However, a major obstacle is the limited availability of labeled data. We study the use of pseudolabels, i.e.,…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Cristina Menghini , Andrew Delworth , Stephen H. Bach

Active learning (AL) is a prominent technique for reducing the annotation effort required for training machine learning models. Deep learning offers a solution for several essential obstacles to deploying AL in practice but introduces many…

We consider a binary classification problem when the data comes from a mixture of two rotationally symmetric distributions satisfying concentration and anti-concentration properties enjoyed by log-concave distributions among others. We show…

机器学习 · 计算机科学 2021-08-26 Spencer Frei , Difan Zou , Zixiang Chen , Quanquan Gu

Transfer learning from large-scale pre-trained models has become essential for many computer vision tasks. Recent studies have shown that datasets like ImageNet are weakly labeled since images with multiple object classes present are…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Sai Rajeswar , Pau Rodriguez , Soumye Singhal , David Vazquez , Aaron Courville

With the development of 3D and 2D data acquisition techniques, it has become easy to obtain point clouds and images of scenes simultaneously, which further facilitates dual-modal semantic segmentation. Most existing methods for…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Qiulei Dong , Jianan Li , Shuang Deng

Unsupervised learning of high-dimensional data is challenging due to irrelevant or noisy features obscuring underlying structures. It's common that only a few features, called the influential features, meaningfully define the clusters.…

机器学习 · 计算机科学 2026-03-26 Chen Ma , Wanjie Wang , Shuhao Fan

Short text clustering has gained significant attention in the data mining community. However, the limited valuable information contained in short texts often leads to low-discriminative representations, increasing the difficulty of…

机器学习 · 计算机科学 2026-03-16 Zhihao Yao

Being modeled as a single-label classification task for a long time, recent work has argued that Arabic Dialect Identification (ADI) should be framed as a multi-label classification task. However, ADI remains constrained by the availability…

计算与语言 · 计算机科学 2026-02-18 Ali Mekky , Mohamed El Zeftawy , Lara Hassan , Amr Keleg , Preslav Nakov

Natural language understanding (NLU) has two core tasks: intent classification and slot filling. The success of pre-training language models resulted in a significant breakthrough in the two tasks. One of the promising solutions called BERT…

计算与语言 · 计算机科学 2023-02-03 Yu Guo , Zhilong Xie , Xingyan Chen , Huangen Chen , Leilei Wang , Huaming Du , Shaopeng Wei , Yu Zhao , Qing Li , Gang Wu

Competitive point cloud semantic segmentation results usually rely on a large amount of labeled data. However, data annotation is a time-consuming and labor-intensive task, particularly for three-dimensional point cloud data. Thus,…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Puzuo Wang , Wei Yao

Semi-supervised multi-label learning (SSMLL) is a powerful framework for leveraging unlabeled data to reduce the expensive cost of collecting precise multi-label annotations. Unlike semi-supervised learning, one cannot select the most…

机器学习 · 计算机科学 2024-12-30 Jia-Hao Xiao , Ming-Kun Xie , Heng-Bo Fan , Gang Niu , Masashi Sugiyama , Sheng-Jun Huang

Deep neural networks may perform poorly when training datasets are heavily class-imbalanced. Recently, two-stage methods decouple representation learning and classifier learning to improve performance. But there is still the vital issue of…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Zhisheng Zhong , Jiequan Cui , Shu Liu , Jiaya Jia

We consider the unsupervised learning problem of assigning labels to unlabeled data. A naive approach is to use clustering methods, but this works well only when data is properly clustered and each cluster corresponds to an underlying…

机器学习 · 计算机科学 2013-05-02 Marthinus Christoffel du Plessis , Masashi Sugiyama

Pre-trained code models have recently achieved substantial improvements in many code intelligence tasks. These models are first pre-trained on large-scale unlabeled datasets in a task-agnostic manner using self-supervised learning, and then…

软件工程 · 计算机科学 2024-01-11 Shuzheng Gao , Wenxin Mao , Cuiyun Gao , Li Li , Xing Hu , Xin Xia , Michael R. Lyu

Training machine learning models from data with weak supervision and dataset shifts is still challenging. Designing algorithms when these two situations arise has not been explored much, and existing algorithms cannot always handle the most…

机器学习 · 计算机科学 2023-08-30 Pierre Nodet , Vincent Lemaire , Alexis Bondu , Antoine Cornuéjols