中文
相关论文

相关论文: KRACL: Contrastive Learning with Graph Context Mod…

200 篇论文

The rapid evolution of cyber threats has highlighted significant gaps in security knowledge integration. Cybersecurity Knowledge Graphs (CKGs) relying on structured data inherently exhibit hysteresis, as the timely incorporation of rapidly…

密码学与安全 · 计算机科学 2026-02-13 Zijing Xu , Ziwei Ning , Tiancheng Hu , Jianwei Zhuge , Yangyang Wang , Jiahao Cao , Mingwei Xu

Knowledge graphs (KGs) serve as useful resources for various natural language processing applications. Previous KG completion approaches require a large number of training instances (i.e., head-tail entity pairs) for every relation. The…

计算与语言 · 计算机科学 2019-11-27 Chuxu Zhang , Huaxiu Yao , Chao Huang , Meng Jiang , Zhenhui Li , Nitesh V. Chawla

Graph Contrastive Learning (GCL) has emerged as a promising approach in the realm of graph self-supervised learning. Prevailing GCL methods mainly derive from the principles of contrastive learning in the field of computer vision: modeling…

机器学习 · 计算机科学 2023-08-03 Zhiyuan Ning , Pengfei Wang , Pengyang Wang , Ziyue Qiao , Wei Fan , Denghui Zhang , Yi Du , Yuanchun Zhou

Few-shot Knowledge Graph Completion (FKGC) infers missing triples from limited support samples, tackling long-tail distribution challenges. Existing methods, however, struggle to capture complex relational patterns and mitigate data…

计算与语言 · 计算机科学 2026-01-22 Zilong Wang , Qingtian Zeng , Hua Duan , Cheng Cheng , Minghao Zou , Ziyang Wang

Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase in the size of the KGs, they are becoming inaccuracy and incomplete. This problem can be solved by the knowledge graph…

机器学习 · 计算机科学 2024-08-06 Wanxu Wei , Yitong Song , Bin Yao

Graph Neural Networks (GNNs) have demonstrated great success in Knowledge Graph Completion (KGC) by modeling how entities and relations interact in recent years. However, most of them are designed to learn from the observed graph structure,…

机器学习 · 计算机科学 2023-02-28 Heng Chang , Jie Cai , Jia Li

Continual Knowledge Graph Embedding (CKGE) seeks to integrate new knowledge while preserving past information. However, existing methods struggle with efficiency and scalability due to two key limitations: (1) suboptimal knowledge…

计算与语言 · 计算机科学 2025-06-11 Lijing Zhu , Qizhen Lan , Qing Tian , Wenbo Sun , Li Yang , Lu Xia , Yixin Xie , Xi Xiao , Tiehang Duan , Cui Tao , Shuteng Niu

Few-shot Knowledge Graph (KG) Relational Reasoning aims to predict unseen triplets (i.e., query triplets) for rare relations in KGs, given only several triplets of these relations as references (i.e., support triplets). This task has gained…

计算与语言 · 计算机科学 2024-06-25 Haochen Liu , Song Wang , Chen Chen , Jundong Li

Knowledge graph embedding (KGE) aims to learn continuous vectors of relations and entities in knowledge graph. Recently, transition-based KGE methods have achieved promising performance, where the single relation vector learns to translate…

计算与语言 · 计算机科学 2022-05-02 Xuanyu Zhang , Qing Yang , Dongliang Xu

Knowledge Graph Embedding models have become an important area of machine learning.Those models provide a latent representation of entities and relations in a knowledge graph which can then be used in downstream machine learning tasks such…

人工智能 · 计算机科学 2022-10-18 Md Rashad Al Hasan Rony , Mirza Mohtashim Alam , Semab Ali , Jens Lehmann , Sahar Vahdati

The state-of-the-art semantic communication (SC) schemes typically rely on end-to-end deep learning frameworks that lack interpretability and struggle with robust semantic selection and reconstruction under noisy conditions. To address this…

信号处理 · 电气工程与系统科学 2025-09-08 Dayu Fan , Rui Meng , Song Gao , Xiaodong Xu

Continual relation extraction (CRE) aims to extract relations towards the continuous and iterative arrival of new data, of which the major challenge is the catastrophic forgetting of old tasks. In order to alleviate this critical problem…

信息检索 · 计算机科学 2022-10-11 Chengwei Hu , Deqing Yang , Haoliang Jin , Zhen Chen , Yanghua Xiao

Knowledge graph embedding (KGE) is an increasingly popular technique that aims to represent entities and relations of knowledge graphs into low-dimensional semantic spaces for a wide spectrum of applications such as link prediction,…

机器学习 · 计算机科学 2023-10-17 Jiahang Cao , Jinyuan Fang , Zaiqiao Meng , Shangsong Liang

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data but often struggle on heterophilous graphs, where connected nodes differ in features or class labels. This limitation arises from…

机器学习 · 计算机科学 2025-09-30 Zhongtian Sun , Anoushka Harit , Alexandra Cristea , Christl A. Donnelly , Pietro Liò

Knowledge graph embedding, which projects symbolic entities and relations into continuous vector spaces, is gaining increasing attention. Previous methods allow a single static embedding for each entity or relation, ignoring their intrinsic…

人工智能 · 计算机科学 2020-04-07 Quan Wang , Pingping Huang , Haifeng Wang , Songtai Dai , Wenbin Jiang , Jing Liu , Yajuan Lyu , Yong Zhu , Hua Wu

Knowledge tracing (KT) is the problem of predicting students' future performance based on their historical interaction sequences. With the advanced capability of capturing contextual long-term dependency, attention mechanism becomes one of…

机器学习 · 计算机科学 2024-07-25 Shuyan Huang , Zitao Liu , Xiangyu Zhao , Weiqi Luo , Jian Weng

Graph contrastive learning (GCL) aligns node representations by classifying node pairs into positives and negatives using a selection process that typically relies on establishing correspondences within two augmented graphs. The…

机器学习 · 计算机科学 2024-11-27 Maysam Behmanesh , Maks Ovsjanikov

This paper studies aligning knowledge graphs from different sources or languages. Most existing methods train supervised methods for the alignment, which usually require a large number of aligned knowledge triplets. However, such a large…

机器学习 · 计算机科学 2019-07-09 Meng Qu , Jian Tang , Yoshua Bengio

Many graph embedding approaches have been proposed for knowledge graph completion via link prediction. Among those, translating embedding approaches enjoy the advantages of light-weight structure, high efficiency and great interpretability.…

计算与语言 · 计算机科学 2020-10-13 Hao Huang , Guodong Long , Tao Shen , Jing Jiang , Chengqi Zhang

Knowledge Graph Embedding (KGE) models are used to learn continuous representations of entities and relations. A key task in the literature is predicting missing links between entities. However, Knowledge Graphs are not just sets of links…

人工智能 · 计算机科学 2023-08-28 Thiviyan Thanapalasingam , Emile van Krieken , Peter Bloem , Paul Groth