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Entity alignment (EA) is to identify equivalent entities across different knowledge graphs (KGs), which can help fuse these KGs into a more comprehensive one. Previous EA methods mainly focus on aligning a pair of KGs, and to the best of…

Computation and Language · Computer Science 2025-02-12 Yaming Yang , Zhe Wang , Ziyu Guan , Wei Zhao , Weigang Lu , Xinyan Huang , Jiangtao Cui , Xiaofei He

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

We present EASE, a novel method for learning sentence embeddings via contrastive learning between sentences and their related entities. The advantage of using entity supervision is twofold: (1) entities have been shown to be a strong…

Computation and Language · Computer Science 2022-05-10 Sosuke Nishikawa , Ryokan Ri , Ikuya Yamada , Yoshimasa Tsuruoka , Isao Echizen

This work studies the use of visual semantic representations to align entities in heterogeneous knowledge graphs (KGs). Images are natural components of many existing KGs. By combining visual knowledge with other auxiliary information, we…

Computation and Language · Computer Science 2020-12-18 Fangyu Liu , Muhao Chen , Dan Roth , Nigel Collier

Entity alignment (EA) is a fundamental data integration task that identifies equivalent entities between different knowledge graphs (KGs). Temporal Knowledge graphs (TKGs) extend traditional knowledge graphs by introducing timestamps, which…

Information Retrieval · Computer Science 2023-02-09 Xiaoze Liu , Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao

Entity Alignment (EA) aims to find the equivalent entities between two Knowledge Graphs (KGs). Existing methods usually encode the triples of entities as embeddings and learn to align the embeddings, which prevents the direct interaction…

Computation and Language · Computer Science 2023-05-22 Yu Zhao , Yike Wu , Xiangrui Cai , Ying Zhang , Haiwei Zhang , Xiaojie Yuan

Entity alignment (EA) is the task to discover entities referring to the same real-world object from different knowledge graphs (KGs), which is the most crucial step in integrating multi-source KGs. The majority of the existing…

Computation and Language · Computer Science 2021-03-02 Renbo Zhu , Meng Ma , Ping Wang

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

Cross-lingual entity alignment (EA) enables the integration of multiple knowledge graphs (KGs) across different languages, providing users with seamless access to diverse and comprehensive knowledge. Existing methods, mostly supervised,…

Computation and Language · Computer Science 2025-02-13 Soojin Yoon , Sungho Ko , Tongyoung Kim , SeongKu Kang , Jinyoung Yeo , Dongha Lee

Entity alignment (EA) aims at identifying equivalent entity pairs across different knowledge graphs (KGs) that refer to the same real-world identity. To circumvent the shortage of seed alignments provided for training, recent EA models…

Artificial Intelligence · Computer Science 2025-07-03 Qijie Ding , Jie Yin , Daokun Zhang , Junbin Gao

Weakly Supervised Entity Alignment (EA) is the task of identifying equivalent entities across diverse knowledge graphs (KGs) using only a limited number of seed alignments. Despite substantial advances in aggregation-based weakly supervised…

Information Retrieval · Computer Science 2024-10-15 Yuanyi Wang , Wei Tang , Haifeng Sun , Zirui Zhuang , Xiaoyuan Fu , Jingyu Wang , Qi Qi , Jianxin Liao

Entity Alignment (EA) aims to match equivalent entities across different Knowledge Graphs (KGs) and is an essential step of KG fusion. Current mainstream methods -- neural EA models -- rely on training with seed alignment, i.e., a set of…

Computation and Language · Computer Science 2021-10-14 Bing Liu , Harrisen Scells , Guido Zuccon , Wen Hua , Genghong Zhao

Entity Alignment (EA) aims to match equivalent entities that refer to the same real-world objects and is a key step for Knowledge Graph (KG) fusion. Most neural EA models cannot be applied to large-scale real-life KGs due to their excessive…

Artificial Intelligence · Computer Science 2022-08-23 Bing Liu , Wen Hua , Guido Zuccon , Genghong Zhao , Xia Zhang

Multi-modal entity alignment aims to identify equivalent entities between two different multi-modal knowledge graphs, which consist of structural triples and images associated with entities. Most previous works focus on how to utilize and…

Computation and Language · Computer Science 2022-09-05 Zhenxi Lin , Ziheng Zhang , Meng Wang , Yinghui Shi , Xian Wu , Yefeng Zheng

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

Self-supervised learning is a machine learning approach that generates implicit labels by learning underlined patterns and extracting discriminative features from unlabeled data without manual labelling. Contrastive learning introduces the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Asifullah Khan , Laiba Asmatullah , Anza Malik , Shahzaib Khan , Hamna Asif

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 is to find identical entities in different knowledge graphs (KGs) that refer to the same real-world object. Embedding-based entity alignment techniques have been drawing a lot of attention recently because they can help…

Computation and Language · Computer Science 2022-11-08 Xiaobin Tian , Zequn Sun , Guangyao Li , Wei Hu

Real world data is mostly unlabeled or only few instances are labeled. Manually labeling data is a very expensive and daunting task. This calls for unsupervised learning techniques that are powerful enough to achieve comparable results as…

Machine Learning · Computer Science 2021-05-21 Zekarias T. Kefato , Sarunas Girdzijauskas

Entity alignment is a viable means for integrating heterogeneous knowledge among different knowledge graphs (KGs). Recent developments in the field often take an embedding-based approach to model the structural information of KGs so that…

Computation and Language · Computer Science 2019-09-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Dongyan Zhao