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Related papers: Multi-modal Entity Alignment in Hyperbolic Space

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Multi-Modal Entity Alignment (MMEA) is a critical task that aims to identify equivalent entity pairs across multi-modal knowledge graphs (MMKGs). However, this task faces challenges due to the presence of different types of information,…

Computation and Language · Computer Science 2023-10-11 Qian Li , Cheng Ji , Shu Guo , Zhaoji Liang , Lihong Wang , Jianxin Li

Capturing associations for knowledge graphs (KGs) through entity alignment, entity type inference and other related tasks benefits NLP applications with comprehensive knowledge representations. Recent related methods built on Euclidean…

Computation and Language · Computer Science 2020-10-06 Zequn Sun , Muhao Chen , Wei Hu , Chengming Wang , Jian Dai , Wei Zhang

Learning embeddings of entities and relations existing in knowledge bases allows the discovery of hidden patterns in data. In this work, we examine the geometrical space's contribution to the task of knowledge base completion. We focus on…

Computation and Language · Computer Science 2019-08-20 Prodromos Kolyvakis , Alexandros Kalousis , Dimitris Kiritsis

Recent knowledge graph (KG) embeddings have been advanced by hyperbolic geometry due to its superior capability for representing hierarchies. The topological structures of real-world KGs, however, are rather heterogeneous, i.e., a KG is…

Machine Learning · Computer Science 2022-06-02 Bo Xiong , Shichao Zhu , Mojtaba Nayyeri , Chengjin Xu , Shirui Pan , Chuan Zhou , Steffen Staab

Multi-modal entity alignment (MMEA) aims to identify equivalent entities between multi-modal knowledge graphs (MMKGs), where the entities can be associated with related images. Most existing studies integrate multi-modal information heavily…

Computation and Language · Computer Science 2024-07-30 Taoyu Su , Jiawei Sheng , Shicheng Wang , Xinghua Zhang , Hongbo Xu , Tingwen Liu

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

Entity alignment (EA) which links equivalent entities across different knowledge graphs (KGs) plays a crucial role in knowledge fusion. In recent years, graph neural networks (GNNs) have been successfully applied in many embedding-based EA…

Computation and Language · Computer Science 2023-05-01 Feng Xie , Xiang Zeng , Bin Zhou , Yusong Tan

Entity alignment aims to match identical entities across different knowledge graphs (KGs). Graph neural network-based entity alignment methods have achieved promising results in Euclidean space. However, KGs often contain complex…

Computation and Language · Computer Science 2024-12-09 Cunda Wang , Weihua Wang , Qiuyu Liang , Feilong Bao , Guanglai Gao

Entity alignment (EA) for knowledge graphs (KGs) plays a critical role in knowledge engineering. Existing EA methods mostly focus on utilizing the graph structures and entity attributes (including literals), but ignore images that are…

Artificial Intelligence · Computer Science 2023-03-14 Yangning Li , Jiaoyan Chen , Yinghui Li , Yuejia Xiang , Xi Chen , Hai-Tao Zheng

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…

As a crucial extension of entity alignment (EA), multi-modal entity alignment (MMEA) aims to identify identical entities across disparate knowledge graphs (KGs) by exploiting associated visual information. However, existing MMEA approaches…

Artificial Intelligence · Computer Science 2023-08-02 Zhuo Chen , Lingbing Guo , Yin Fang , Yichi Zhang , Jiaoyan Chen , Jeff Z. Pan , Yangning Li , Huajun Chen , Wen Zhang

Knowledge graph embeddings (KGE) have been validated as powerful methods for inferring missing links in knowledge graphs (KGs) that they typically map entities into Euclidean space and treat relations as transformations of entities.…

Machine Learning · Computer Science 2024-02-26 Wenjie Zheng , Wenxue Wang , Shu Zhao , Fulan Qian

Knowledge hypergraphs generalize knowledge graphs using hyperedges to connect multiple entities and depict complicated relations. Existing methods either transform hyperedges into an easier-to-handle set of binary relations or view…

Machine Learning · Computer Science 2024-12-18 Mengfan Li , Xuanhua Shi , Chenqi Qiao , Teng Zhang , Hai Jin

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…

Artificial Intelligence · Computer Science 2022-01-04 Kexuan Xin , Zequn Sun , Wen Hua , Wei Hu , Xiaofang Zhou

Temporal knowledge graph (TKG) reasoning predicts future events based on historical data, but it's challenging due to the complex semantic and hierarchical information involved. Existing Euclidean models excel at capturing semantics but…

Machine Learning · Computer Science 2024-09-04 Siling Feng , Zhisheng Qi , Cong Lin

Knowledge graph (KG) embeddings have shown great power in learning representations of entities and relations for link prediction tasks. Previous work usually embeds KGs into a single geometric space such as Euclidean space (zero curved),…

Machine Learning · Computer Science 2022-06-28 Zongsheng Cao , Qianqian Xu , Zhiyong Yang , Xiaochun Cao , Qingming Huang

The flourishing of knowledge graph applications has driven the need for entity alignment (EA) across KGs. However, the heterogeneity of practical KGs, characterized by differing scales, structures, and limited overlapping entities, greatly…

Machine Learning · Computer Science 2024-01-25 Xuhui Jiang , Chengjin Xu , Yinghan Shen , Yuanzhuo Wang , Fenglong Su , Fei Sun , Zixuan Li , Zhichao Shi , Jian Guo , Huawei Shen

Multi-modal entity alignment (MMEA) aims to identify equivalent entities between two multi-modal knowledge graphs (MMKGs), whose entities can be associated with relational triples and related images. Most previous studies treat the graph…

Computation and Language · Computer Science 2024-07-30 Taoyu Su , Xinghua Zhang , Jiawei Sheng , Zhenyu Zhang , Tingwen Liu

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

Multi-modal entity alignment (MMEA) aims to discover identical entities across different knowledge graphs (KGs) whose entities are associated with relevant images. However, current MMEA algorithms rely on KG-level modality fusion strategies…

Artificial Intelligence · Computer Science 2023-08-01 Zhuo Chen , Jiaoyan Chen , Wen Zhang , Lingbing Guo , Yin Fang , Yufeng Huang , Yichi Zhang , Yuxia Geng , Jeff Z. Pan , Wenting Song , Huajun Chen
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