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Distant supervision provides a means to create a large number of weakly labeled data at low cost for relation classification. However, the resulting labeled instances are very noisy, containing data with wrong labels. Many approaches have…

Computation and Language · Computer Science 2020-10-27 Zhenzhen Li , Jian-Yun Nie , Benyou Wang , Pan Du , Yuhan Zhang , Lixin Zou , Dongsheng Li

Dialogue-based Relation Extraction (DRE) aims to predict the relation type of argument pairs that are mentioned in dialogue. The latest trigger-enhanced methods propose trigger prediction tasks to promote DRE. However, these methods are not…

Computation and Language · Computer Science 2023-03-31 Hao An , Dongsheng Chen , Weiyuan Xu , Zhihong Zhu , Yuexian Zou

This work presents a novel approach to tabular data prediction leveraging graph structure learning and graph neural networks. Despite the prevalence of tabular data in real-world applications, traditional deep learning methods often…

Machine Learning · Computer Science 2023-05-26 Jay Chiehen Liao , Cheng-Te Li

Modern deep learning systems are data-hungry. Learning with web data is one of the feasible solutions, but will introduce label noise inevitably, which can hinder the performance of deep neural networks. Sample selection is an effective way…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Chao Liang , Linchao Zhu , Humphrey Shi , Yi Yang

Graph neural networks (GNNs) have been widely used in many graph-based tasks such as node classification, link prediction, and node clustering. However, GNNs gain their performance benefits mainly from performing the feature propagation and…

Machine Learning · Computer Science 2021-07-28 Wentao Zhang , Yuezihan Jiang , Yang Li , Zeang Sheng , Yu Shen , Xupeng Miao , Liang Wang , Zhi Yang , Bin Cui

Graph Neural Networks (GNNs) often struggle with noisy edges. We propose Latent Space Constrained Graph Neural Networks (LSC-GNN) to incorporate external "clean" links and guide embeddings of a noisy target graph. We train two encoders--one…

Machine Learning · Computer Science 2025-07-09 Chunhui Gu , Mohammad Sadegh Nasr , James P. Long , Kim-Anh Do , Ehsan Irajizad

The objective of unsupervised graph representation learning (GRL) is to learn a low-dimensional space of node embeddings that reflect the structure of a given unlabeled graph. Existing algorithms for this task rely on negative sampling…

Machine Learning · Computer Science 2021-01-22 M. Maruf , Anuj Karpatne

Graph Neural Networks (GNNs) have garnered considerable interest due to their exceptional performance in a wide range of graph machine learning tasks. Nevertheless, the majority of GNN-based approaches have been examined using…

Machine Learning · Computer Science 2023-09-27 Jingyang Yuan , Xiao Luo , Yifang Qin , Zhengyang Mao , Wei Ju , Ming Zhang

Graph Neural Networks (GNNs) have achieved remarkable performance in modeling graphs for various applications. However, most existing GNNs assume the graphs exhibit strong homophily in node labels, i.e., nodes with similar labels are…

Machine Learning · Computer Science 2023-02-20 Enyan Dai , Shijie Zhou , Zhimeng Guo , Suhang Wang

Collecting large training datasets, annotated with high-quality labels, is costly and time-consuming. This paper proposes a novel framework for training deep convolutional neural networks from noisy labeled datasets that can be obtained…

Machine Learning · Computer Science 2017-11-06 Arash Vahdat

Dependency trees convey rich structural information that is proven useful for extracting relations among entities in text. However, how to effectively make use of relevant information while ignoring irrelevant information from the…

Computation and Language · Computer Science 2020-09-08 Zhijiang Guo , Yan Zhang , Wei Lu

Chest X-rays (CXRs) are a medical imaging modality that is used to infer a large number of abnormalities. While it is hard to define an exhaustive list of these abnormalities, which may co-occur on a chest X-ray, few of them are quite…

Image and Video Processing · Electrical Eng. & Systems 2023-09-11 Arsh Verma

Current video-based scene graph generation (VidSGG) methods have been found to perform poorly on predicting predicates that are less represented due to the inherent biased distribution in the training data. In this paper, we take a closer…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Wenqing Wang , Yawei Luo , Zhiqing Chen , Tao Jiang , Lei Chen , Yi Yang , Jun Xiao

Crowdsourcing has attracted much attention for its convenience to collect labels from non-expert workers instead of experts. However, due to the high level of noise from the non-experts, an aggregation model that learns the true label by…

Machine Learning · Computer Science 2021-05-14 Hanlu Wu , Tengfei Ma , Lingfei Wu , Shouling Ji

Low-resource Relation Extraction (LRE) aims to extract relation facts from limited labeled corpora when human annotation is scarce. Existing works either utilize self-training scheme to generate pseudo labels that will cause the gradual…

Computation and Language · Computer Science 2021-09-15 Xuming Hu , Chenwei Zhang , Yawen Yang , Xiaohe Li , Li Lin , Lijie Wen , Philip S. Yu

Long-tailed semi-supervised learning poses a significant challenge in training models with limited labeled data exhibiting a long-tailed label distribution. Current state-of-the-art LTSSL approaches heavily rely on high-quality…

Machine Learning · Computer Science 2024-10-10 Zi-Hao Zhou , Siyuan Fang , Zi-Jing Zhou , Tong Wei , Yuanyu Wan , Min-Ling Zhang

Document-level relation extraction (RE), which requires reasoning on multiple entities in different sentences to identify complex inter-sentence relations, is more challenging than sentence-level RE. To extract the complex inter-sentence…

Computation and Language · Computer Science 2022-04-04 Liang Zhang , Yidong Cheng

Graph Neural Networks (GNNs) have proved to be an effective representation learning framework for graph-structured data, and have achieved state-of-the-art performance on many practical predictive tasks, such as node classification, link…

Machine Learning · Computer Science 2021-04-13 Yang Ye , Shihao Ji

This paper explores how the Distantly Supervised Relation Extraction (DS-RE) can benefit from the use of a Universal Graph (UG), the combination of a Knowledge Graph (KG) and a large-scale text collection. A straightforward extension of a…

Computation and Language · Computer Science 2021-05-07 Qin Dai , Naoya Inoue , Ryo Takahashi , Kentaro Inui

Federated graph learning (FGL) enables collaborative training on graph data across multiple clients. With the rise of large language models (LLMs), textual attributes in FGL graphs are gaining attention. Text-attributed graph federated…

Machine Learning · Computer Science 2026-01-26 Zekai Chen , Haodong Lu , Xunkai Li , Henan Sun , Jia Li , Hongchao Qin , Rong-Hua Li , Guoren Wang
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