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Named Entity Recognition (NER) is a fundamental task in the fields of natural language processing and information extraction. NER has been widely used as a standalone tool or an essential component in a variety of applications such as…

计算与语言 · 计算机科学 2020-11-25 Vladislav Mikhailov , Tatiana Shavrina

While huge volumes of unlabeled data are generated and made available in many domains, the demand for automated understanding of visual data is higher than ever before. Most existing machine learning models typically rely on massive amounts…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Youshan Zhang

Although graph neural networks (GNNs) have achieved impressive achievements in graph classification, they often need abundant task-specific labels, which could be extensively costly to acquire. A credible solution is to explore additional…

机器学习 · 计算机科学 2025-07-15 Nan Yin , Li Shen , Mengzhu Wang , Long Lan , Zeyu Ma , Chong Chen , Xian-Sheng Hua , Xiao Luo

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

Unsupervised Graph Domain Adaptation has become a promising paradigm for transferring knowledge from a fully labeled source graph to an unlabeled target graph. Existing graph domain adaptation models primarily focus on the closed-set…

机器学习 · 计算机科学 2025-10-22 Zhen Zhang , Bingsheng He

Recent years have witnessed tremendous interest in deep learning on graph-structured data. Due to the high cost of collecting labeled graph-structured data, domain adaptation is important to supervised graph learning tasks with limited…

机器学习 · 计算机科学 2021-06-15 Ruichu Cai , Fengzhu Wu , Zijian Li , Pengfei Wei , Lingling Yi , Kun Zhang

In this paper, we tackle a new problem of \textit{multi-source unsupervised domain adaptation (MSUDA) for graphs}, where models trained on annotated source domains need to be transferred to the unsupervised target graph for node…

机器学习 · 计算机科学 2024-06-25 Tianxiang Zhao , Dongsheng Luo , Xiang Zhang , Suhang Wang

Recent years have witnessed significant advancements in machine learning methods on graphs. However, transferring knowledge effectively from one graph to another remains a critical challenge. This highlights the need for algorithms capable…

机器学习 · 计算机科学 2025-12-16 Xinwei Tai , Dongmian Zou , Hongfei Wang

In sequence labeling, previous domain adaptation methods focus on the adaptation from the source domain to the entire target domain without considering the diversity of individual target domain samples, which may lead to negative transfer…

计算与语言 · 计算机科学 2019-09-11 Huiyun Yang , Shujian Huang , Xinyu Dai , Jiajun Chen

Self-training crowd counting has not been attentively explored though it is one of the important challenges in computer vision. In practice, the fully supervised methods usually require an intensive resource of manual annotation. In order…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Pha Nguyen , Thanh-Dat Truong , Miaoqing Huang , Yi Liang , Ngan Le , Khoa Luu

Person re-identification (re-ID) has gained more and more attention due to its widespread applications in intelligent video surveillance. Unfortunately, the mainstream deep learning methods still need a large quantity of labeled data to…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Qi Wang , Sikai Bai , Junyu Gao , Yuan Yuan , Xuelong Li

This work presents a novel deep learning framework for segmenting cerebral vasculature in hyperspectral brain images. We address the critical challenge of severe label scarcity, which impedes conventional supervised training. Our approach…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Tim Mach , Daniel Rueckert , Alex Berger , Laurin Lux , Ivan Ezhov

Graph neural networks (GNNs) have shown great ability for node classification on graphs. However, the success of GNNs relies on abundant labeled data, while obtaining high-quality labels is costly and challenging, especially for newly…

机器学习 · 计算机科学 2025-06-02 Yilong Wang , Tianxiang Zhao , Zongyu Wu , Suhang Wang

The divergence between labeled training data and unlabeled testing data is a significant challenge for recent deep learning models. Unsupervised domain adaptation (UDA) attempts to solve such a problem. Recent works show that self-training…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Ke Mei , Chuang Zhu , Jiaqi Zou , Shanghang Zhang

Practical autonomous driving systems face two crucial challenges: memory constraints and domain gap issues. In this paper, we present a novel approach to learn domain adaptive knowledge in models with limited memory, thus bestowing the…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Divya Kothandaraman , Athira Nambiar , Anurag Mittal

The usefulness of deep learning models in robotics is largely dependent on the availability of training data. Manual annotation of training data is often infeasible. Synthetic data is a viable alternative, but suffers from domain gap. We…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Benedikt T. Imbusch , Max Schwarz , Sven Behnke

Deep neural networks, trained with large amount of labeled data, can fail to generalize well when tested with examples from a \emph{target domain} whose distribution differs from the training data distribution, referred as the \emph{source…

Although deep convolutional networks have reached state-of-the-art performance in many medical image segmentation tasks, they have typically demonstrated poor generalisation capability. To be able to generalise from one domain (e.g. one…

End-to-end training of graph neural networks (GNN) on large graphs presents several memory and computational challenges, and limits the application to shallow architectures as depth exponentially increases the memory and space complexities.…

机器学习 · 计算机科学 2023-09-06 Oscar Pina , Verónica Vilaplana

Knowledge graphs have attracted lots of attention in academic and industrial environments. Despite their usefulness, popular knowledge graphs suffer from incompleteness of information, especially in their type assertions. This has…

信息检索 · 计算机科学 2019-08-21 Sameh K. Mohamed