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This paper focuses on the detection of potentially dangerous tendencies of social media users in an innovative multimodal way. We integrate Natural Language Processing (NLP) and Graph Neural Networks (GNNs) together. Firstly, we apply NLP…

机器学习 · 计算机科学 2025-09-23 Cuiqianhe Du , Chia-En Chiang , Tianyi Huang , Zikun Cui

Person re-identification (Re-ID) is a critical technique in the video surveillance system, which has achieved significant success in the supervised setting. However, it is difficult to directly apply the supervised model to arbitrary unseen…

计算机视觉与模式识别 · 计算机科学 2022-08-26 Lei Qi , Jiaying Shen , Jiaqi Liu , Yinghuan Shi , Xin Geng

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different groups, has attracted intensive attention in recent years. However, we observe that, in the process of node encoding, existing…

机器学习 · 计算机科学 2022-01-03 Yue Liu , Wenxuan Tu , Sihang Zhou , Xinwang Liu , Linxuan Song , Xihong Yang , En Zhu

Incomplete multi-view clustering has become one of the important research problems due to the extensive missing multi-view data in the real world. Although the existing methods have made great progress, there are still some problems: 1)…

机器学习 · 计算机科学 2025-02-27 Guoqing Chao , Kaixin Xu , Xijiong Xie , Yongyong Chen

To explore underlying complementary information from multiple views, in this paper, we propose a novel Latent Multi-view Semi-Supervised Classification (LMSSC) method. Unlike most existing multi-view semi-supervised classification methods…

机器学习 · 计算机科学 2019-09-10 Xiaofan Bo , Zhao Kang , Zhitong Zhao , Yuanzhang Su , Wenyu Chen

Query intent classification is an essential module for customers to find desired products on the e-commerce application quickly. Most existing query intent classification methods rely on the users' click behavior as a supervised signal to…

计算与语言 · 计算机科学 2024-08-06 Chunyuan Yuan , Ming Pang , Zheng Fang , Xue Jiang , Changping Peng , Zhangang Lin

With the popularity of smartphones, mobile applications (apps) have penetrated the daily life of people. Although apps provide rich functionalities, they also access a large amount of personal information simultaneously. As a result,…

密码学与安全 · 计算机科学 2021-12-24 Shuang Zhao , Shuhui Chen , Ziling Wei

Graph Convolutional Networks (GCNs) are a popular machine learning model with a wide range of applications in graph analytics, including healthcare, transportation, and finance. However, a GCN trained without privacy protection measures may…

密码学与安全 · 计算机科学 2025-01-31 Jianxin Wei , Yizheng Zhu , Xiaokui Xiao , Ergute Bao , Yin Yang , Kuntai Cai , Beng Chin Ooi

This paper studies the problem of graph-level clustering, which is a novel yet challenging task. This problem is critical in a variety of real-world applications such as protein clustering and genome analysis in bioinformatics. Recent years…

机器学习 · 计算机科学 2023-03-09 Wei Ju , Yiyang Gu , Binqi Chen , Gongbo Sun , Yifang Qin , Xingyuming Liu , Xiao Luo , Ming Zhang

Hierarchical multi-label text classification (HMTC) aims at utilizing a label hierarchy in multi-label classification. Recent approaches to HMTC deal with the problem of imposing an over-constrained premise on the output space by using…

计算与语言 · 计算机科学 2024-06-21 Simon Yu , Jie He , Víctor Gutiérrez-Basulto , Jeff Z. Pan

Twitter bot detection has become an important and challenging task to combat misinformation and protect the integrity of the online discourse. State-of-the-art approaches generally leverage the topological structure of the Twittersphere,…

社会与信息网络 · 计算机科学 2021-12-14 Shangbin Feng , Zhaoxuan Tan , Rui Li , Minnan Luo

Label errors have been found to be prevalent in popular text, vision, and audio datasets, which heavily influence the safe development and evaluation of machine learning algorithms. Despite increasing efforts towards improving the quality…

机器学习 · 计算机科学 2023-06-02 Yuwen Li , Miao Xiong , Bryan Hooi

Machine-generated texts (MGTs) pose risks such as disinformation and phishing, underscoring the need for reliable detection. Metric-based methods, which extract statistically distinguishable features of MGTs, are often more practical than…

计算与语言 · 计算机科学 2026-05-18 Chenwang Wu , Yiuming Cheung , Bo Han , Shuhai Zhang , Defu Lian

Classification of personal text messages has many useful applications in surveillance, e-commerce, and mental health care, to name a few. Giving applications access to personal texts can easily lead to (un)intentional privacy violations. We…

密码学与安全 · 计算机科学 2021-03-15 Devin Reich , Ariel Todoki , Rafael Dowsley , Martine De Cock , Anderson C. A. Nascimento

Graph convolutional networks (GCNs) have recently become one of the most powerful tools for graph analytics tasks in numerous applications, ranging from social networks and natural language processing to bioinformatics and chemoinformatics,…

机器学习 · 计算机科学 2019-04-05 Fengwen Chen , Shirui Pan , Jing Jiang , Huan Huo , Guodong Long

This paper addresses the challenges posed by the unstructured nature and high-dimensional semantic complexity of electronic health record texts. A deep learning method based on attention mechanisms is proposed to achieve unified modeling…

计算与语言 · 计算机科学 2025-07-03 Ting Xu , Xiaoxiao Deng , Xiandong Meng , Haifeng Yang , Yan Wu

Multi-task Learning (MTL) for classification with disjoint datasets aims to explore MTL when one task only has one labeled dataset. In existing methods, for each task, the unlabeled datasets are not fully exploited to facilitate this task.…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Yan Hong , Li Niu , Jianfu Zhang , Liqing Zhang

Convolutional Neural Networks (ConvNets) have achieved excellent recognition performance in various visual recognition tasks. A large labeled training set is one of the most important factors for its success. However, it is difficult to…

计算机视觉与模式识别 · 计算机科学 2017-05-11 Bin-Bin Gao , Chao Xing , Chen-Wei Xie , Jianxin Wu , Xin Geng

The spread of misinformation across digital platforms can pose significant societal risks. Claim verification, a.k.a. fact-checking, systems can help identify potential misinformation. However, their efficacy is limited by the knowledge…

计算与语言 · 计算机科学 2026-02-24 Md Badsha Biswas , Ozlem Uzuner

Solving classification with graph methods has gained huge popularity in recent years. This is due to the fact that the data can be intuitively modeled with graphs to utilize high level features to aid in solving the classification problem.…

机器学习 · 计算机科学 2020-11-12 Seyed Amin Fadaee , Maryam Amir Haeri