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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…

人工智能 · 计算机科学 2022-08-23 Bing Liu , Wen Hua , Guido Zuccon , Genghong Zhao , Xia Zhang

The success of current Entity Alignment (EA) task depends largely on the supervision information provided by labeled data. Considering the cost of labeled data, most supervised methods are difficult to apply in practical scenarios.…

人工智能 · 计算机科学 2025-06-10 Weishan Cai , Wenjun Ma , Yuncheng Jiang

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…

人工智能 · 计算机科学 2020-05-26 Weixin Zeng , Xiang Zhao , Wei Wang , Jiuyang Tang , Zhen Tan

Entity alignment, aiming to identify equivalent entities across different knowledge graphs (KGs), is a fundamental problem for constructing large-scale KGs. Over the course of its development, supervision has been considered necessary for…

计算与语言 · 计算机科学 2021-08-26 Xiao Liu , Haoyun Hong , Xinghao Wang , Zeyi Chen , Evgeny Kharlamov , Yuxiao Dong , Jie Tang

Entity alignment (EA) seeks identical entities in different knowledge graphs, which is a long-standing task in the database research. Recent work leverages deep learning to embed entities in vector space and align them via nearest neighbor…

计算与语言 · 计算机科学 2024-03-22 Xiaobin Tian , Zequn Sun , Wei Hu

Entity Alignment (EA) seeks to identify and match corresponding entities across different Knowledge Graphs (KGs), playing a crucial role in knowledge fusion and integration. Embedding-based entity alignment (EA) has recently gained…

计算与语言 · 计算机科学 2024-12-09 Xuan Chen , Tong Lu , Zhichun Wang

Entity alignment (EA) refers to the task of linking entities in different knowledge graphs (KGs). Existing EA methods rely heavily on structural isomorphism. However, in real-world KGs, aligned entities usually have non-isomorphic…

计算与语言 · 计算机科学 2024-11-06 Linyan Yang , Jingwei Cheng , Chuanhao Xu , Xihao Wang , Jiayi Li , Fu Zhang

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…

计算与语言 · 计算机科学 2022-11-08 Xiaobin Tian , Zequn Sun , Guangyao Li , Wei Hu

Self-supervised entity alignment (EA) aims to link equivalent entities across different knowledge graphs (KGs) without seed alignments. The current SOTA self-supervised EA method draws inspiration from contrastive learning, originally…

计算与语言 · 计算机科学 2022-10-11 Kaisheng Zeng , Zhenhao Dong , Lei Hou , Yixin Cao , Minghao Hu , Jifan Yu , Xin Lv , Juanzi Li , Ling Feng

Entity alignment (EA) identifies entities that refer to the same real-world object but locate in different knowledge graphs (KGs), and has been harnessed for KG construction and integration. When generating EA results, current solutions…

人工智能 · 计算机科学 2020-04-02 Weixin Zeng , Xiang Zhao , Jiuyang Tang , Xuemin Lin

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…

计算与语言 · 计算机科学 2023-04-17 Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao , Ziheng Wei

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…

计算与语言 · 计算机科学 2022-07-26 Yuxin Wang , Yuanning Cui , Wenqiang Liu , Zequn Sun , Yiqiao Jiang , Kexin Han , Wei Hu

Knowledge graphs (KGs) store rich facts about the real world. In this paper, we study KG alignment, which aims to find alignment between not only entities but also relations and classes in different KGs. Alignment at the entity level can…

数据库 · 计算机科学 2023-06-21 Jiacheng Huang , Zequn Sun , Qijin Chen , Xiaozhou Xu , Weijun Ren , Wei Hu

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…

计算与语言 · 计算机科学 2022-11-30 Bing Liu , Tiancheng Lan , Wen Hua , Guido Zuccon

Semantic embedding has been widely investigated for aligning knowledge graph (KG) entities. Current methods have explored and utilized the graph structure, the entity names and attributes, but ignore the ontology (or ontological schema)…

计算与语言 · 计算机科学 2021-05-25 Yuejia Xiang , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Zhenxi Lin , Yefeng Zheng

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

Entity alignment is the task of identifying corresponding entities across different knowledge graphs (KGs). Although recent embedding-based entity alignment methods have shown significant advancements, they still struggle to fully utilize…

计算与语言 · 计算机科学 2023-05-12 Jianheng Tang , Kangfei Zhao , Jia Li

Cross-lingual entity alignment, which aims to precisely connect the same entities in different monolingual knowledge bases (KBs) together, often suffers challenges from feature inconsistency to sequence context unawareness. This paper…

计算与语言 · 计算机科学 2021-04-19 Gong Zhang , Yang Zhou , Sixing Wu , Zeru Zhang , Dejing Dou

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…

人工智能 · 计算机科学 2022-09-21 Li Cai , Xin Mao , Meirong Ma , Hao Yuan , Jianchao Zhu , Man Lan

Entity Linking is one of the essential tasks of information extraction and natural language understanding. Entity linking mainly consists of two tasks: recognition and disambiguation of named entities. Most studies address these two tasks…

计算与语言 · 计算机科学 2021-02-02 Majid Asgari-Bidhendi , Behrooz Janfada , Amir Havangi , Sayyed Ali Hossayni , Behrouz Minaei-Bidgoli