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Active learning (AL) on attributed graphs has received increasing attention with the prevalence of graph-structured data. Although AL has been widely studied for alleviating label sparsity issues with the conventional non-related data, how…

机器学习 · 计算机科学 2020-08-07 Yayong Li , Jie Yin , Ling Chen

Evaluations of large language models (LLMs) primarily emphasize convergent logical reasoning, where success is defined by producing a single correct proof. However, many real-world reasoning problems admit multiple valid derivations,…

人工智能 · 计算机科学 2026-02-25 Yanrui Wu , Lingling Zhang , Xinyu Zhang , Jiayu Chang , Pengyu Li , Xu Jiang , Jingtao Hu , Jun Liu

The advent of Large Language Models (LLMs) has fundamentally reshaped the way we interact with graphs, giving rise to a new paradigm called GraphLLM. As revealed in recent studies, graph learning can benefit from LLMs. However, we observe…

机器学习 · 计算机科学 2026-04-21 Hongyu Zhan , Qixin Wang , Yusen Tan , Haitao Yu , Jingbo Zhou , Shuai Chen , Jia Li , Xiao Tan , Jun Xia

Benford's law describes the distribution of the first digit of numbers appearing in a wide variety of numerical data, including tax records, and election outcomes, and has been used to raise "red flags" about potential anomalies in the data…

社会与信息网络 · 计算机科学 2022-05-27 Tianyi Chen , Charalampos E. Tsourakakis

Self-supervised learning (SSL) provides a promising alternative for representation learning on hypergraphs without costly labels. However, existing hypergraph SSL models are mostly based on contrastive methods with the instance-level…

机器学习 · 计算机科学 2024-04-19 Fan Li , Xiaoyang Wang , Dawei Cheng , Wenjie Zhang , Ying Zhang , Xuemin Lin

Graph representation learning (GRL) has emerged as a powerful technique for solving graph analytics tasks. It can effectively convert discrete graph data into a low-dimensional space where the graph structural information and graph…

社会与信息网络 · 计算机科学 2023-09-21 Chunyu Miao , Chenxuan Xie , Jiajun Zhou , Shanqing Yu , Lina Chen , Qi Xuan

Nowadays, organizations collect vast quantities of sensitive information in `Enterprise Resource Planning' (ERP) systems, such as accounting relevant transactions, customer master data, or strategic sales price information. The leakage of…

机器学习 · 计算机科学 2020-12-15 Marco Schreyer , Chistian Schulze , Damian Borth

This paper introduces a novel approach to evaluating deep learning models' capacity for in-diagram logic interpretation. Leveraging the intriguing realm of visual illusions, we establish a unique dataset, InDL, designed to rigorously test…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Haobo Yang , Wenyu Wang , Ze Cao , Zhekai Duan , Xuchen Liu

Diabetic Retinopathy (DR) is a significant cause of blindness globally, highlighting the urgent need for early detection and effective treatment. Recent advancements in Machine Learning (ML) techniques have shown promise in DR detection,…

计算机视觉与模式识别 · 计算机科学 2023-09-06 D. Dhinakaran , L. Srinivasan , D. Selvaraj , S. M. Udhaya Sankar

Network Intrusion Detection Systems (NIDS) are essential tools for detecting network attacks and intrusions. While extensive research has explored the use of supervised Machine Learning for attack detection and characterisation, these…

密码学与安全 · 计算机科学 2026-04-23 Georgios Anyfantis , Pere Barlet-Ros

Adversarial Machine Learning (AML) represents the ability to disrupt Machine Learning (ML) algorithms through a range of methods that broadly exploit the architecture of deep learning optimisation. This paper presents Distributed…

机器学习 · 计算机科学 2023-06-27 Harriet Farlow , Matthew Garratt , Gavin Mount , Tim Lynar

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities in representing and understanding diverse modalities. However, they typically focus on modality alignment in a pairwise manner while overlooking structural…

机器学习 · 计算机科学 2025-06-13 Jiajin Liu , Dongzhe Fan , Jiacheng Shen , Chuanhao Ji , Daochen Zha , Qiaoyu Tan

Large language models (LLMs) show promise for natural language tasks but struggle when applied directly to complex domains like finance. LLMs have difficulty reasoning about and integrating all relevant information. We propose a…

计算与语言 · 计算机科学 2023-11-15 Zhixuan Chu , Huaiyu Guo , Xinyuan Zhou , Yijia Wang , Fei Yu , Hong Chen , Wanqing Xu , Xin Lu , Qing Cui , Longfei Li , Jun Zhou , Sheng Li

Multimodal representation is crucial for E-commerce tasks such as identical product retrieval. Large representation models (e.g., VLM2Vec) demonstrate strong multimodal understanding capabilities, yet they struggle with fine-grained…

计算与语言 · 计算机科学 2026-04-23 Biao Zhang , Lixin Chen , Bin Zhang , Zongwei Wang , Tong Liu , Bo Zheng

Large Language Models (LLMs) often struggle with inherent knowledge boundaries and hallucinations, limiting their reliability in knowledge-intensive tasks. While Retrieval-Augmented Generation (RAG) mitigates these issues, it frequently…

人工智能 · 计算机科学 2026-02-25 Yuqi Huang , Ning Liao , Kai Yang , Anning Hu , Shengchao Hu , Xiaoxing Wang , Junchi Yan

Labeling datasets is a noteworthy challenge in machine learning, both in terms of cost and time. This research, however, leverages an efficient answer. By exploring label propagation in semi-supervised learning, we can significantly reduce…

机器学习 · 计算机科学 2024-10-16 Minoo Jafarlou , Mario M. Kubek

Existing paper review methods often rely on superficial manuscript features or directly on large language models (LLMs), which are prone to hallucinations, biased scoring, and limited reasoning capabilities. Moreover, these methods often…

计算与语言 · 计算机科学 2026-03-11 Shuaimin Li , Liyang Fan , Yufang Lin , Zeyang Li , Xian Wei , Shiwen Ni , Hamid Alinejad-Rokny , Min Yang

This paper addresses the problem of anomaly detection in accounting subject association structures, proposing a structured modeling and unsupervised discriminant framework based on graph neural networks. This framework is used to mine…

机器学习 · 计算机科学 2026-04-30 Yuhan Wang , Ruobing Yan , Zhe Su , Hejing Chen , Ningjing Sang , Yunfei Nie

The detection and grounding of multimedia manipulation has emerged as a critical challenge in combating AI-generated disinformation. While existing methods have made progress in recent years, we identify two fundamental limitations in…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yuchen Zhang , Yaxiong Wang , Yujiao Wu , Lianwei Wu , Li Zhu , Zhedong Zheng

Financial crime detection using graph learning improves financial safety and efficiency. However, criminals may commit financial crimes across different institutions to avoid detection, which increases the difficulty of detection for…

密码学与安全 · 计算机科学 2023-10-13 Zhirui Pan , Guangzhong Wang , Zhaoning Li , Lifeng Chen , Yang Bian , Zhongyuan Lai
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