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相关论文: Deep Outdated Fact Detection in Knowledge Graphs

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Graph anomaly detection (GAD) is increasingly crucial in various applications, ranging from financial fraud detection to fake news detection. However, current GAD methods largely overlook the fairness problem, which might result in…

机器学习 · 计算机科学 2025-03-04 Wenjing Chang , Kay Liu , Philip S. Yu , Jianjun Yu

Graph data widely exists in real life, with large amounts of data and complex structures. It is necessary to map graph data to low-dimensional embedding. Graph classification, a critical graph task, mainly relies on identifying the…

机器学习 · 计算机科学 2023-10-26 Yuan Li , Li Liu , Penggang Chen , Youmin Zhang , Guoyin Wang

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation and understanding, yet their reliance on implicit, unstructured knowledge often leads to factual inaccuracies and limited interpretability. Knowledge…

计算与语言 · 计算机科学 2025-06-17 Qinggang Zhang

In the context of modern machine learning, models deployed in real-world scenarios often encounter diverse data shifts like covariate and semantic shifts, leading to challenges in both out-of-distribution (OOD) generalization and detection.…

机器学习 · 计算机科学 2024-09-30 Han Wang , Yixuan Li

Factual knowledge graphs (KGs) such as DBpedia and Wikidata have served as part of various downstream tasks and are also widely adopted by artificial intelligence research communities as benchmark datasets. However, we found these KGs to be…

数据库 · 计算机科学 2021-02-05 Peiran Yao , Denilson Barbosa

Disinformation has long been regarded as a severe social problem, where fake news is one of the most representative issues. What is worse, today's highly developed social media makes fake news widely spread at incredible speed, bringing in…

社会与信息网络 · 计算机科学 2021-02-01 Hao Liao , Qixin Liu , Kai Shu , Xing xie

Graph neural networks (GNNs) have found widespread application in modeling graph data across diverse domains. While GNNs excel in scenarios where the testing data shares the distribution of their training counterparts (in distribution, ID),…

机器学习 · 计算机科学 2024-01-15 Luzhi Wang , Dongxiao He , He Zhang , Yixin Liu , Wenjie Wang , Shirui Pan , Di Jin , Tat-Seng Chua

Retrieval-Augmented Generation (RAG) systems enable large language models (LLMs) instant access to relevant information for the generative process, demonstrating their superior performance in addressing common LLM challenges such as…

计算与语言 · 计算机科学 2025-10-17 Yilun Zheng , Dan Yang , Jie Li , Lin Shang , Lihui Chen , Jiahao Xu , Sitao Luan

This paper proposes a novel fault diagnosis approach based on generative adversarial networks (GAN) for imbalanced industrial time series where normal samples are much larger than failure cases. We combine a well-designed feature extractor…

机器学习 · 计算机科学 2022-06-17 Wenqian Jiang , Cheng Cheng , Beitong Zhou , Guijun Ma , Ye Yuan

In this paper, we propose an end-to-end graph learning framework, namely Deep Iterative and Adaptive Learning for Graph Neural Networks (DIAL-GNN), for jointly learning the graph structure and graph embeddings simultaneously. We first cast…

机器学习 · 计算机科学 2019-12-18 Yu Chen , Lingfei Wu , Mohammed J. Zaki

Many practical graph problems, such as knowledge graph construction and drug-drug interaction prediction, require to handle multi-relational graphs. However, handling real-world multi-relational graphs with Graph Neural Networks (GNNs) is…

机器学习 · 计算机科学 2020-10-30 Jinheon Baek , Dong Bok Lee , Sung Ju Hwang

Anomalies represent rare observations (e.g., data records or events) that deviate significantly from others. Over several decades, research on anomaly mining has received increasing interests due to the implications of these occurrences in…

机器学习 · 计算机科学 2022-04-21 Xiaoxiao Ma , Jia Wu , Shan Xue , Jian Yang , Chuan Zhou , Quan Z. Sheng , Hui Xiong , Leman Akoglu

Conventional Knowledge Graph Completion (KGC) assumes that all test entities appear during training. However, in real-world scenarios, Knowledge Graphs (KG) evolve fast with out-of-knowledge-graph (OOKG) entities added frequently, and we…

计算与语言 · 计算机科学 2020-09-29 Damai Dai , Hua Zheng , Fuli Luo , Pengcheng Yang , Baobao Chang , Zhifang Sui

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

信息检索 · 计算机科学 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

The task of Knowledge Graph Completion (KGC) aims to automatically infer the missing fact information in Knowledge Graph (KG). In this paper, we take a new perspective that aims to leverage rich user-item interaction data (user interaction…

人工智能 · 计算机科学 2020-04-28 Gaole He , Junyi Li , Wayne Xin Zhao , Peiju Liu , Ji-Rong Wen

Exploring meaningful structural regularities embedded in networks is a key to understanding and analyzing the structure and function of a network. The node-attribute information can help improve such understanding and analysis. However,…

社会与信息网络 · 计算机科学 2021-12-08 Wei Liu , Zhenhai Chang , Caiyan Jia , Yimei Zheng

Despite the recent popularity of knowledge graph (KG) related tasks and benchmarks such as KG embeddings, link prediction, entity alignment and evaluation of the reasoning abilities of pretrained language models as KGs, the structure and…

机器学习 · 计算机科学 2023-11-14 Nedelina Teneva , Estevam Hruschka

The information describing the conditions of a system or a person is constantly evolving and may become obsolete and contradict other information. A database, therefore, must be consistently updated upon the acquisition of new valid…

人工智能 · 计算机科学 2022-05-05 Salma Chaieb , Brahim Hnich , Ali Ben Mrad

During the past few decades, knowledge bases (KBs) have experienced rapid growth. Nevertheless, most KBs still suffer from serious incompletion. Researchers proposed many tasks such as knowledge base completion and relation prediction to…

计算与语言 · 计算机科学 2019-04-23 Zihao Fu , Yankai Lin , Zhiyuan Liu , Wai Lam

Community detection, aiming to group the graph nodes into clusters with dense inner-connection, is a fundamental graph mining task. Recently, it has been studied on the heterogeneous graph, which contains multiple types of nodes and edges,…

社会与信息网络 · 计算机科学 2021-09-07 Linhao Luo , Yixiang Fang , Xin Cao , Xiaofeng Zhang , Wenjie Zhang
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