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The recent proliferation of knowledge graphs (KGs) coupled with incomplete or partial information, in the form of missing relations (links) between entities, has fueled a lot of research on knowledge base completion (also known as relation…

Machine Learning · Computer Science 2019-06-05 Deepak Nathani , Jatin Chauhan , Charu Sharma , Manohar Kaul

Cybersecurity threats are growing, making network intrusion detection essential. Traditional machine learning models remain effective in resource-limited environments due to their efficiency, requiring fewer parameters and less…

Knowledge Graph Completion (KGC) fundamentally hinges on the coherent fusion of pre-trained entity semantics with heterogeneous topological structures to facilitate robust relational reasoning. However, existing paradigms encounter a…

Artificial Intelligence · Computer Science 2026-02-12 Xuecheng Zou , Yu Tang , Bingbing Wang

Knowledge Graph Completion (KGC) aims to infer missing information in Knowledge Graphs (KGs) to address their inherent incompleteness. Traditional structure-based KGC methods, while effective, face significant computational demands and…

Computation and Language · Computer Science 2025-04-01 Jianfang Chen , Kai Zhang , Aoran Gan , Shiwei Tong , Shuanghong Shen , Qi Liu

Knowledge graph completion (KGC) has become a focus of attention across deep learning community owing to its excellent contribution to numerous downstream tasks. Although recently have witnessed a surge of work on KGC, they are still…

Artificial Intelligence · Computer Science 2021-10-12 Junkang Wu , Wentao Shi , Xuezhi Cao , Jiawei Chen , Wenqiang Lei , Fuzheng Zhang , Wei Wu , Xiangnan He

Multi-view learning has progressed rapidly in recent years. Although many previous studies assume that each instance appears in all views, it is common in real-world applications for instances to be missing from some views, resulting in…

Machine Learning · Computer Science 2022-08-30 Pengfei Zhu , Xinjie Yao , Yu Wang , Meng Cao , Binyuan Hui , Shuai Zhao , Qinghua Hu

Retrieval-augmented generation (RAG) has emerged as a promising technology for addressing hallucination issues in the responses generated by large language models (LLMs). Existing studies on RAG primarily focus on applying semantic-based…

Computation and Language · Computer Science 2025-02-12 Xiangrong Zhu , Yuexiang Xie , Yi Liu , Yaliang Li , Wei Hu

Federated graph learning (FGL) has emerged as a promising paradigm for collaborative graph representation learning, enabling multiple parties to jointly train models while preserving data privacy. However, most existing approaches assume…

Machine Learning · Computer Science 2026-01-01 Zhengyu Wu , Guang Zeng , Huilin Lai , Daohan Su , Jishuo Jia , Yinlin Zhu , Xunkai Li , Rong-Hua Li , Guoren Wang , Chenghu Zhou

Knowledge Graph Completion (KGC) predicts missing facts in an incomplete Knowledge Graph. Almost all of existing KGC research is applicable to only one KG at a time, and in one language only. However, different language speakers may…

Artificial Intelligence · Computer Science 2021-04-20 Harkanwar Singh , Prachi Jain , Mausam , Soumen Chakrabarti

Knowledge graphs (KGs) are crucial for representing and reasoning over structured information, supporting a wide range of applications such as information retrieval, question answering, and decision-making. However, their effectiveness is…

Computation and Language · Computer Science 2024-12-13 Udari Madhushani Sehwag , Kassiani Papasotiriou , Jared Vann , Sumitra Ganesh

Graph convolutional networks (GCNs) -- which are effective in modeling graph structures -- have been increasingly popular in knowledge graph completion (KGC). GCN-based KGC models first use GCNs to generate expressive entity representations…

Artificial Intelligence · Computer Science 2022-02-14 Zhanqiu Zhang , Jie Wang , Jieping Ye , Feng Wu

Multimodal fact verification is an under-explored and emerging field that has gained increasing attention in recent years. The goal is to assess the veracity of claims that involve multiple modalities by analyzing the retrieved evidence.…

Multimedia · Computer Science 2024-07-16 Han Cao , Lingwei Wei , Wei Zhou , Songlin Hu

Knowledge graphs (KGs) have proven to be effective for high-quality recommendation, where the connectivities between users and items provide rich and complementary information to user-item interactions. Most existing methods, however, are…

Information Retrieval · Computer Science 2021-09-16 Xiao Sha , Zhu Sun , Jie Zhang

Knowledge Graph Embeddings (KGE) aim to map entities and relations to low dimensional spaces and have become the \textit{de-facto} standard for knowledge graph completion. Most existing KGE methods suffer from the sparsity challenge, where…

Artificial Intelligence · Computer Science 2023-02-14 Zhaoxuan Tan , Zilong Chen , Shangbin Feng , Qingyue Zhang , Qinghua Zheng , Jundong Li , Minnan Luo

Class imbalance poses a significant challenge in machine learning (ML), often leading to biased models favouring the majority class. In this paper, we propose GAT-RWOS, a novel graph-based oversampling method that combines the strengths of…

Machine Learning · Computer Science 2024-12-24 Zahiriddin Rustamov , Abderrahmane Lakas , Nazar Zaki

A comprehensive knowledge graph (KG) contains an instance-level entity graph and an ontology-level concept graph. The two-view KG provides a testbed for models to "simulate" human's abilities on knowledge abstraction, concretization, and…

Computation and Language · Computer Science 2021-06-07 Jie Zhou , Shengding Hu , Xin Lv , Cheng Yang , Zhiyuan Liu , Wei Xu , Jie Jiang , Juanzi Li , Maosong Sun

Multilingual Knowledge Graph Completion (mKGC) aim at solving queries like (h, r, ?) in different languages by reasoning a tail entity t thus improving multilingual knowledge graphs. Previous studies leverage multilingual pretrained…

Computation and Language · Computer Science 2024-06-27 Ran Song , Shizhu He , Shengxiang Gao , Li Cai , Kang Liu , Zhengtao Yu , Jun Zhao

Continual learning in computer vision faces the critical challenge of catastrophic forgetting, where models struggle to retain prior knowledge while adapting to new tasks. Although recent studies have attempted to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xusheng Cao , Haori Lu , Linlan Huang , Fei Yang , Xialei Liu , Ming-Ming Cheng

Graph Neural Networks have demonstrated significant success in graph classification tasks, yet they often require substantial computational resources and struggle to capture global graph properties effectively. We introduce LightTopoGAT, a…

Machine Learning · Computer Science 2025-12-16 Ankit Sharma , Sayan Roy Gupta

To solve the inherent incompleteness of knowledge graphs (KGs), numbers of knowledge graph completion (KGC) models have been proposed to predict missing links from known triples. Among those, several works have achieved more advanced…

Artificial Intelligence · Computer Science 2023-06-21 Jining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou
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