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Knowledge graphs (KGs) are powerful tools for representing and reasoning over structured information. Their main components include schema, identity, and context. While schema and identity matching are well-established in ontology and…

计算与语言 · 计算机科学 2025-08-01 Victor Eiti Yamamoto , Hideaki Takeda

Entity alignment is to find identical entities in different knowledge graphs. Although embedding-based entity alignment has recently achieved remarkable progress, training data insufficiency remains a critical challenge. Conventional…

人工智能 · 计算机科学 2022-03-15 Kexuan Xin , Zequn Sun , Wen Hua , Bing Liu , Wei Hu , Jianfeng Qu , Xiaofang Zhou

Entity Alignment (EA) identifies entities across databases that refer to the same entity. Knowledge graph-based embedding methods have recently dominated EA techniques. Such methods map entities to a low-dimension space and align them based…

Entity alignment is a crucial step in integrating knowledge graphs (KGs) from multiple sources. Previous attempts at entity alignment have explored different KG structures, such as neighborhood-based and path-based contexts, to learn entity…

人工智能 · 计算机科学 2022-01-04 Kexuan Xin , Zequn Sun , Wen Hua , Wei Hu , Xiaofang Zhou

Knowledge graphs (KGs) composed of users, objects, and tags are widely used in web applications ranging from E-commerce, social media sites to news portals. This paper concentrates on an attractive application which aims to predict the…

信息检索 · 计算机科学 2020-07-17 Chenyang Li , Xu Chen , Ya Zhang , Siheng Chen , Dan Lv , Yanfeng Wang

Knowledge Graph(KG) has gained traction as a machine-readable organization of real-world knowledge for analytics using artificial intelligence systems. Graph Neural Network(GNN), is proven to be an effective KG embedding technique that…

机器学习 · 计算机科学 2026-02-24 Rajesh Rajagopalamenon , Unnikrishnan Cheramangalath

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…

数据库 · 计算机科学 2021-12-14 Congcong Ge , Xiaoze Liu , Lu Chen , Baihua Zheng , Yunjun Gao

Knowledge Graphs (KGs) are widely employed in artificial intelligence applications, such as question-answering and recommendation systems. However, KGs are frequently found to be incomplete. While much of the existing literature focuses on…

人工智能 · 计算机科学 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

We present AutoSchemaKG, a framework for fully autonomous knowledge graph construction that eliminates the need for predefined schemas. Our system leverages large language models to simultaneously extract knowledge triples and induce…

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…

计算与语言 · 计算机科学 2021-01-05 Zhiyuan Liu , Yixin Cao , Liangming Pan , Juanzi Li , Zhiyuan Liu , Tat-Seng Chua

Entity alignment (EA) aims to discover the equivalent entities in different knowledge graphs (KGs), which play an important role in knowledge engineering. Recently, EA with dangling entities has been proposed as a more realistic setting,…

计算与语言 · 计算机科学 2023-04-11 Jin Xu , Yangning Li , Xiangjin Xie , Yinghui Li , Niu Hu , Haitao Zheng , Yong Jiang

Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources. Despite such efforts,…

机器学习 · 计算机科学 2021-01-25 Andrea Rossi , Donatella Firmani , Antonio Matinata , Paolo Merialdo , Denilson Barbosa

Knowledge graph (KG) embedding seeks to learn vector representations for entities and relations. Conventional models reason over graph structures, but they suffer from the issues of graph incompleteness and long-tail entities. Recent…

计算与语言 · 计算机科学 2022-09-16 Yang Liu , Zequn Sun , Guangyao Li , Wei Hu

Entity alignment (EA) aims to merge two knowledge graphs (KGs) by identifying equivalent entity pairs. While existing methods heavily rely on human-generated labels, it is prohibitively expensive to incorporate cross-domain experts for…

计算与语言 · 计算机科学 2025-02-11 Shengyuan Chen , Qinggang Zhang , Junnan Dong , Wen Hua , Qing Li , Xiao Huang

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 identify entities across different knowledge graphs (KGs) that refer to the same real-world object and plays a critical role in knowledge fusion and integration. Traditional EA methods mainly rely on knowledge…

信息检索 · 计算机科学 2026-04-14 Yixuan Nan , Xixun Lin , Yanmin Shang , Ge Zhang , Zheng Fang , Fang Fang , Yanan Cao

Automatic construction of large knowledge graphs (KG) by mining web-scale text datasets has received considerable attention recently. Estimating accuracy of such automatically constructed KGs is a challenging problem due to their size and…

人工智能 · 计算机科学 2016-12-02 Prakhar Ojha , Partha Talukdar

Neural embedding approaches have become a staple in the fields of computer vision, natural language processing, and more recently, graph analytics. Given the pervasive nature of these algorithms, the natural question becomes how to exploit…

计算与语言 · 计算机科学 2020-10-27 Alexander Kalinowski , Yuan An

Cross-lingual entity alignment is the task of finding the same semantic entities from different language knowledge graphs. In this paper, we propose a simple and novel unsupervised method for cross-language entity alignment. We utilize the…

计算与语言 · 计算机科学 2023-09-20 Chuanyu Jiang , Yiming Qian , Lijun Chen , Yang Gu , Xia Xie

Embedding-based entity alignment has been widely investigated in recent years, but most proposed methods still rely on an ideal supervised learning setting with a large number of unbiased seed mappings for training and validation, which…

计算与语言 · 计算机科学 2020-11-10 Ziheng Zhang , Jiaoyan Chen , Xi Chen , Hualuo Liu , Yuejia Xiang , Bo Liu , Yefeng Zheng