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Entity alignment (EA) aims to discover the equivalent entities in different knowledge graphs (KGs). It is a pivotal step for integrating KGs to increase knowledge coverage and quality. Recent years have witnessed a rapid increase of EA…

Artificial Intelligence · Computer Science 2021-01-27 Weixin Zeng , Xiang Zhao , Jiuyang Tang , Xinyi Li , Minnan Luo , Qinghua Zheng

Entity alignment (EA) is the task of identifying the entities that refer to the same real-world object but are located in different knowledge graphs (KGs). For entities to be aligned, existing EA solutions treat them separately and generate…

Computation and Language · Computer Science 2021-01-06 Weixin Zeng , Xiang Zhao , Jiuyang Tang , Xuemin Lin , Paul Groth

Entity Alignment (EA) aims to match equivalent entities in different Knowledge Graphs (KGs), which is essential for knowledge fusion and integration. Recently, embedding-based EA has attracted significant attention and many approaches have…

Computation and Language · Computer Science 2024-08-05 Zhichun Wang , Xuan Chen

We study the problem of embedding-based entity alignment between knowledge graphs (KGs). Previous works mainly focus on the relational structure of entities. Some further incorporate another type of features, such as attributes, for…

Artificial Intelligence · Computer Science 2019-06-07 Qingheng Zhang , Zequn Sun , Wei Hu , Muhao Chen , Lingbing Guo , Yuzhong Qu

Entity alignment aims at integrating heterogeneous knowledge from different knowledge graphs. Recent studies employ embedding-based methods by first learning the representation of Knowledge Graphs and then performing entity alignment via…

Machine Learning · Computer Science 2022-01-28 Xinhang Li , Yong Zhang , Chunxiao Xing

Embedding-based entity alignment (EEA) has recently received great attention. Despite significant performance improvement, few efforts have been paid to facilitate understanding of EEA methods. Most existing studies rest on the assumption…

Computation and Language · Computer Science 2021-10-22 Lingbing Guo , Zequn Sun , Mingyang Chen , Wei Hu , Qiang Zhang , Huajun Chen

Knowledge graph (KG) embedding aims at learning the latent representations for entities and relations of a KG in continuous vector spaces. An empirical observation is that the head (tail) entities connected by the same relation often share…

Computation and Language · Computer Science 2022-06-17 Xueliang Wang , Jiajun Chen , Feng Wu , Jie Wang

Entity alignment is a basic and vital technique in knowledge graph (KG) integration. Over the years, research on entity alignment has resided on the assumption that KGs are static, which neglects the nature of growth of real-world KGs. As…

Computation and Language · Computer Science 2022-07-26 Yuxin Wang , Yuanning Cui , Wenqiang Liu , Zequn Sun , Yiqiao Jiang , Kexin Han , Wei Hu

Entity alignment (EA) aims to find entities in different knowledge graphs (KGs) that refer to the same object in the real world. Recent studies incorporate temporal information to augment the representations of KGs. The existing methods for…

Artificial Intelligence · Computer Science 2022-09-21 Li Cai , Xin Mao , Meirong Ma , Hao Yuan , Jianchao Zhu , Man Lan

Entity alignment (EA) is to discover equivalent entities in knowledge graphs (KGs), which bridges heterogeneous sources of information and facilitates the integration of knowledge. Existing EA solutions mainly rely on structural information…

Artificial Intelligence · Computer Science 2020-05-26 Weixin Zeng , Xiang Zhao , Wei Wang , Jiuyang Tang , Zhen Tan

Entity Alignment (EA), which aims to detect entity mappings (i.e. equivalent entity pairs) in different Knowledge Graphs (KGs), is critical for KG fusion. Neural EA methods dominate current EA research but still suffer from their reliance…

Computation and Language · Computer Science 2022-11-30 Bing Liu , Tiancheng Lan , Wen Hua , Guido Zuccon

Entity alignment (EA) aims at building a unified Knowledge Graph (KG) of rich content by linking the equivalent entities from various KGs. GNN-based EA methods present promising performances by modeling the KG structure defined by relation…

Computation and Language · Computer Science 2021-01-05 Zhiyuan Liu , Yixin Cao , Liangming Pan , Juanzi Li , Zhiyuan Liu , Tat-Seng Chua

Entity alignment (EA) aims to find equivalent entities in different knowledge graphs (KGs). State-of-the-art EA approaches generally use Graph Neural Networks (GNNs) to encode entities. However, most of them train the models and evaluate…

Computation and Language · Computer Science 2023-04-17 Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao , Ziheng Wei

The objective of Entity Alignment (EA) is to identify equivalent entity pairs from multiple Knowledge Graphs (KGs) and create a more comprehensive and unified KG. The majority of EA methods have primarily focused on the structural modality…

Computation and Language · Computer Science 2023-10-16 Bolin Zhu , Xiaoze Liu , Xin Mao , Zhuo Chen , Lingbing Guo , Tao Gui , Qi Zhang

Entity alignment (EA) aims at finding equivalent entities in different knowledge graphs (KGs). Embedding-based approaches have dominated the EA task in recent years. Those methods face problems that come from the geometric properties of…

Databases · Computer Science 2022-06-07 Yunjun Gao , Xiaoze Liu , Junyang Wu , Tianyi Li , Pengfei Wang , Lu Chen

Entity alignment is a crucial task in knowledge graph fusion. However, most entity alignment approaches have the scalability problem. Recent methods address this issue by dividing large KGs into small blocks for embedding and alignment…

Machine Learning · Computer Science 2022-08-25 Kexuan Xin , Zequn Sun , Wen Hua , Wei Hu , Jianfeng Qu , Xiaofang Zhou

Entity Alignment (EA) aims to detect descriptions of the same real-world entities among different Knowledge Graphs (KG). Several embedding methods have been proposed to rank potentially matching entities of two KGs according to their…

Product matching aims to identify identical or similar products sold on different platforms. By building knowledge graphs (KGs), the product matching problem can be converted to the Entity Alignment (EA) task, which aims to discover the…

Artificial Intelligence · Computer Science 2025-12-09 Wenlong Liu , Jiahua Pan , Xingyu Zhang , Xinxin Gong , Yang Ye , Xujin Zhao , Xin Wang , Kent Wu , Hua Xiang , Houmin Yan , Qingpeng Zhang

Entity alignment (EA) aims to find equivalent entities in different knowledge graphs (KGs). Current EA approaches suffer from scalability issues, limiting their usage in real-world EA scenarios. To tackle this challenge, we propose LargeEA…

Databases · Computer Science 2021-12-14 Congcong Ge , Xiaoze Liu , Lu Chen , Baihua Zheng , Yunjun Gao

Knowledge graph embedding models (KGEMs) developed for link prediction learn vector representations for entities in a knowledge graph, known as embeddings. A common tacit assumption is the KGE entity similarity assumption, which states that…

Artificial Intelligence · Computer Science 2024-03-29 Nicolas Hubert , Heiko Paulheim , Armelle Brun , Davy Monticolo