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Knowledge Graph (KG) alignment is to discover the mappings (i.e., equivalent entities, relations, and others) between two KGs. The existing methods can be divided into the embedding-based models, and the conventional reasoning and lexical…

计算与语言 · 计算机科学 2021-06-14 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yuejia Xiang , Ningyu Zhang , Yefeng Zheng

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 graph completion (KGC) aims to infer missing knowledge triples based on known facts in a knowledge graph. Current KGC research mostly follows an entity ranking protocol, wherein the effectiveness is measured by the predicted rank…

计算与语言 · 计算机科学 2022-05-16 Ying Zhou , Xuanang Chen , Ben He , Zheng Ye , Le Sun

Knowledge graph completion (KGC) seeks to predict missing entities (e.g., heads or tails) or relationships in knowledge graphs (KGs), which often contain incomplete data. Traditional embedding-based methods, such as TransE and ComplEx, have…

计算与语言 · 计算机科学 2025-03-11 Haji Gul , Ajaz Ahmad Bhat , Abdul Ghani Haji Naim

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

Knowledge graphs (KGs) consisting of a large number of triples have become widespread recently, and many knowledge graph embedding (KGE) methods are proposed to embed entities and relations of a KG into continuous vector spaces. Such…

机器学习 · 计算机科学 2022-05-09 Mingyang Chen , Wen Zhang , Yushan Zhu , Hongting Zhou , Zonggang Yuan , Changliang Xu , Huajun Chen

Knowledge Graph Embedding (KGE) techniques play a pivotal role in transforming symbolic Knowledge Graphs (KGs) into numerical representations, thereby enhancing various deep learning models for knowledge-augmented applications. Unlike…

机器学习 · 计算机科学 2025-03-24 Guanglin Niu

Knowledge graph embedding (KGE), aiming to embed entities and relations into low-dimensional vectors, has attracted wide attention recently. However, the existing research is mainly based on the black-box neural models, which makes it…

计算与语言 · 计算机科学 2020-11-13 Xiaoyu Kou , Yankai Lin , Yuntao Li , Jiahao Xu , Peng Li , Jie Zhou , Yan Zhang

Knowledge Tracing (KT) aims to model a student's learning trajectory and predict performance on the next question. A key challenge is how to better represent the relationships among students, questions, and knowledge concepts (KCs).…

人工智能 · 计算机科学 2026-01-26 Chi Yu , Hongyu Yuan , Zhiyi Duan

Knowledge graph embedding (KGE) aims to map entities and relations of a knowledge graph (KG) into a low-dimensional and dense vector space via contrasting the positive and negative triples. In the training process of KGEs, negative sampling…

人工智能 · 计算机科学 2023-10-17 Xiangnan Chen , Wen Zhang , Zhen Yao , Mingyang Chen , Siliang Tang

Knowledge Graphs (KGs), representing facts as triples, have been widely adopted in many applications. Reasoning tasks such as link prediction and rule induction are important for the development of KGs. Knowledge Graph Embeddings (KGEs)…

人工智能 · 计算机科学 2021-12-17 Wen Zhang , Shumin Deng , Mingyang Chen , Liang Wang , Qiang Chen , Feiyu Xiong , Xiangwen Liu , Huajun Chen

Knowledge Graph Embedding (KGE) aims to represent entities and relations of knowledge graph in a low-dimensional continuous vector space. Recent works focus on incorporating structural knowledge with additional information, such as entity…

计算与语言 · 计算机科学 2018-08-14 Kai Wang , Yu Liu , Xiujuan Xu , Dan Lin

A key to knowledge graph embedding (KGE) is to choose a proper representation space, e.g., point-wise Euclidean space and complex vector space. In this paper, we propose a unified perspective of embedding and introduce uncertainty into KGE…

机器学习 · 计算机科学 2024-10-01 Changyi Xiao , Xiangnan He , Yixin Cao

The Knowledge Graph Completion~(KGC) task aims to infer the missing entity from an incomplete triple. Existing embedding-based methods rely solely on triples in the KG, which is vulnerable to specious relation patterns and long-tail…

人工智能 · 计算机科学 2025-05-01 Muzhi Li , Cehao Yang , Chengjin Xu , Xuhui Jiang , Yiyan Qi , Jian Guo , Ho-fung Leung , Irwin King

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

We introduce a novel embedding model, named NoGE, which aims to integrate co-occurrence among entities and relations into graph neural networks to improve knowledge graph completion (i.e., link prediction). Given a knowledge graph, NoGE…

计算与语言 · 计算机科学 2021-12-28 Dai Quoc Nguyen , Vinh Tong , Dinh Phung , Dat Quoc Nguyen

Link prediction is the task of predicting missing connections between entities in the knowledge graph (KG). While various forms of models are proposed for the link prediction task, most of them are designed based on a few known relation…

计算与语言 · 计算机科学 2020-08-19 Xiaoyu Kou , Bingfeng Luo , Huang Hu , Yan Zhang

Automatic KB completion for commonsense knowledge graphs (e.g., ATOMIC and ConceptNet) poses unique challenges compared to the much studied conventional knowledge bases (e.g., Freebase). Commonsense knowledge graphs use free-form text to…

计算与语言 · 计算机科学 2019-12-23 Chaitanya Malaviya , Chandra Bhagavatula , Antoine Bosselut , Yejin Choi

Sources of commonsense knowledge support applications in natural language understanding, computer vision, and knowledge graphs. Given their complementarity, their integration is desired. Yet, their different foci, modeling approaches, and…

人工智能 · 计算机科学 2021-03-24 Filip Ilievski , Pedro Szekely , Bin Zhang

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