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Knowledge graph (KG) embedding methods learn geometric representations of entities and relations to predict plausible missing knowledge. These representations are typically assumed to capture rule-like inference patterns. However, our…

人工智能 · 计算机科学 2025-07-29 Aleksandar Pavlovic , Emanuel Sallinger , Steven Schockaert

Knowledge Graph Embedding (KGE) techniques are crucial in learning compact representations of entities and relations within a knowledge graph, facilitating efficient reasoning and knowledge discovery. While existing methods typically focus…

计算与语言 · 计算机科学 2024-10-29 Pengcheng Jiang , Lang Cao , Cao Xiao , Parminder Bhatia , Jimeng Sun , Jiawei Han

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

计算与语言 · 计算机科学 2023-05-18 Jason Youn , Ilias Tagkopoulos

Knowledge graphs (KGs), which store an extensive number of relational facts (head, relation, tail), serve various applications. While many downstream tasks highly rely on the expressive modeling and predictive embedding of KGs, most of the…

信息检索 · 计算机科学 2024-05-01 Zihao Li , Yuyi Ao , Jingrui He

Human knowledge provides a formal understanding of the world. Knowledge graphs that represent structural relations between entities have become an increasingly popular research direction towards cognition and human-level intelligence. In…

计算与语言 · 计算机科学 2021-04-02 Shaoxiong Ji , Shirui Pan , Erik Cambria , Pekka Marttinen , Philip S. Yu

Knowledge Graph Embeddings (KGEs) support a wide range of downstream tasks over Knowledge Graphs (KGs). In practice, KGs evolve as new entities and facts are added, motivating Continual Knowledge Graph Embedding (CKGE) methods that update…

机器学习 · 计算机科学 2026-04-22 Gerard Pons , Carlos Escolano , Besim Bilalli , Anna Queralt

Knowledge Graphs (KGs) enable applications in various domains such as semantic search, recommendation systems, and natural language processing. KGs are often incomplete, missing entities and relations, an issue addressed by Knowledge Graph…

计算与语言 · 计算机科学 2025-08-22 Haji Gul , Abul Ghani Naim , Ajaz Ahmad Bhat

The effectiveness of knowledge graph embedding (KGE) largely depends on the ability to model intrinsic relation patterns and mapping properties. However, existing approaches can only capture some of them with insufficient modeling capacity.…

人工智能 · 计算机科学 2022-06-22 Rui Li , Jianan Zhao , Chaozhuo Li , Di He , Yiqi Wang , Yuming Liu , Hao Sun , Senzhang Wang , Weiwei Deng , Yanming Shen , Xing Xie , Qi Zhang

Temporal Knowledge Graphs (TKGs) store temporal facts with quadruple formats (s, p, o, t). Existing Temporal Knowledge Graph Embedding (TKGE) models perform link prediction tasks in transductive or semi-inductive settings, which means the…

人工智能 · 计算机科学 2025-06-10 Jiaxin Pan , Mojtaba Nayyeri , Osama Mohammed , Daniel Hernandez , Rongchuan Zhang , Cheng Cheng , Steffen Staab

Knowledge graph embedding (KGE) models learn to project symbolic entities and relations into a continuous vector space based on the observed triplets. However, existing KGE models cannot make a proper trade-off between the graph context and…

人工智能 · 计算机科学 2021-03-05 Zhiyuan Ning , Ziyue Qiao , Hao Dong , Yi Du , Yuanchun Zhou

Knowledge graph completion (KGC) aims to alleviate the inherent incompleteness of knowledge graphs (KGs), which is a critical task for various applications, such as recommendations on the web. Although knowledge graph embedding (KGE) models…

人工智能 · 计算机科学 2024-04-08 Tengfei Ma , Xiang song , Wen Tao , Mufei Li , Jiani Zhang , Xiaoqin Pan , Jianxin Lin , Bosheng Song , xiangxiang Zeng

Among the top approaches of recent years, link prediction using knowledge graph embedding (KGE) models has gained significant attention for knowledge graph completion. Various embedding models have been proposed so far, among which, some…

人工智能 · 计算机科学 2021-06-01 Chengjin Xu , Mojtaba Nayyeri , Sahar Vahdati , Jens Lehmann

Knowledge graphs are useful for many artificial intelligence (AI) tasks. However, knowledge graphs often have missing facts. To populate the graphs, knowledge graph embedding models have been developed. Knowledge graph embedding models map…

人工智能 · 计算机科学 2017-11-16 Takuma Ebisu , Ryutaro Ichise

Link prediction is an important and frequently studied task that contributes to an understanding of the structure of knowledge graphs (KGs) in statistical relational learning. Inspired by the success of graph convolutional networks (GCN) in…

机器学习 · 计算机科学 2019-10-03 Ling Cai , Bo Yan , Gengchen Mai , Krzysztof Janowicz , Rui Zhu

Knowledge graphs are structured representations of facts in a graph, where nodes represent entities and edges represent relationships between them. Recent research has resulted in the development of several large KGs. However, all of them…

计算与语言 · 计算机科学 2020-04-17 Shikhar Vashishth

Embedding entities and relations of a knowledge graph in a low-dimensional space has shown impressive performance in predicting missing links between entities. Although progresses have been achieved, existing methods are heuristically…

计算与语言 · 计算机科学 2021-01-26 Danushka Bollegala , Huda Hakami , Yuichi Yoshida , Ken-ichi Kawarabayashi

Learning knowledge graph (KG) embeddings is an emerging technique for a variety of downstream tasks such as summarization, link prediction, information retrieval, and question answering. However, most existing KG embedding models neglect…

数据库 · 计算机科学 2020-04-30 Gengchen Mai , Krzysztof Janowicz , Ling Cai , Rui Zhu , Blake Regalia , Bo Yan , Meilin Shi , Ni Lao

We focus on obtaining robust knowledge graph embedding under perturbation in the embedding space. To address these challenges, we introduce a novel framework, Robust Knowledge Graph Embedding via Denoising, which enhances the robustness of…

机器学习 · 计算机科学 2025-05-27 Tengwei Song , Xudong Ma , Yang Liu , Jie Luo

The cascade of 2D geometric transformations were exploited to model relations between entities in a knowledge graph (KG), leading to an effective KG embedding (KGE) model, CompoundE. Furthermore, the rotation in the 3D space was proposed as…

人工智能 · 计算机科学 2023-04-04 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

Knowledge graph embedding (KGE) is a technique for learning continuous embeddings for entities and relations in the knowledge graph.Due to its benefit to a variety of downstream tasks such as knowledge graph completion, question answering…

机器学习 · 计算机科学 2019-06-25 Hengtong Zhang , Tianhang Zheng , Jing Gao , Chenglin Miao , Lu Su , Yaliang Li , Kui Ren