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相关论文: Multi-modal Entity Alignment in Hyperbolic Space

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Multi-modal entity alignment (MMEA) aims to identify equivalent entity pairs across different multi-modal knowledge graphs (MMKGs). Existing approaches focus on how to better encode and aggregate information from different modalities.…

信息检索 · 计算机科学 2024-04-30 Zhiwei Hu , Víctor Gutiérrez-Basulto , Zhiliang Xiang , Ru Li , Jeff Z. Pan

Vision Language Action (VLA) models have recently shown great potential in bridging multimodal perception with robotic control. However, existing methods often rely on direct fine-tuning of pre-trained Vision-Language Models (VLMs), feeding…

机器人学 · 计算机科学 2026-02-04 Kun Wang , Xiao Feng , Mingcheng Qu , Tonghua Su

Knowledge graph (KG) embeddings learn low-dimensional representations of entities and relations to predict missing facts. KGs often exhibit hierarchical and logical patterns which must be preserved in the embedding space. For hierarchical…

机器学习 · 计算机科学 2020-05-05 Ines Chami , Adva Wolf , Da-Cheng Juan , Frederic Sala , Sujith Ravi , Christopher Ré

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…

计算与语言 · 计算机科学 2025-02-12 Yaming Yang , Zhe Wang , Ziyu Guan , Wei Zhao , Weigang Lu , Xinyan Huang , Jiangtao Cui , Xiaofei He

The multi-modal entity alignment (MMEA) aims to find all equivalent entity pairs between multi-modal knowledge graphs (MMKGs). Rich attributes and neighboring entities are valuable for the alignment task, but existing works ignore…

计算与语言 · 计算机科学 2023-04-05 Qian Li , Shu Guo , Yangyifei Luo , Cheng Ji , Lihong Wang , Jiawei Sheng , Jianxin Li

Most previous heterogeneous graph embedding models represent elements in a heterogeneous graph as vector representations in a low-dimensional Euclidean space. However, because heterogeneous graphs inherently possess complex structures, such…

机器学习 · 计算机科学 2024-04-16 Jongmin Park , Seunghoon Han , Soohwan Jeong , Sungsu Lim

Scene graph representations enable structured visual understanding by modeling objects and their relationships, and have been widely used for multiview and 3D scene reasoning. Existing methods such as MSG learn scene graph embeddings in…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Liyang Wang , Zeyu Zhang , Hao Tang

The rise of Multi-modal Pre-training highlights the necessity for a unified Multi-Modal Knowledge Graph (MMKG) representation learning framework. Such a framework is essential for embedding structured knowledge into multi-modal Large…

计算与语言 · 计算机科学 2025-01-16 Zhuo Chen , Yin Fang , Yichi Zhang , Lingbing Guo , Jiaoyan Chen , Jeff Z. Pan , Huajun Chen , Wen Zhang

Knowledge graphs have emerged as fundamental structures for representing complex relational data across scientific and enterprise domains. However, existing embedding methods face critical limitations when modeling diverse relationship…

人工智能 · 计算机科学 2025-11-17 Jugal Gajjar , Kaustik Ranaware , Kamalasankari Subramaniakuppusamy , Vaibhav Gandhi

Hierarchical relations are prevalent and indispensable for organizing human knowledge captured by a knowledge graph (KG). The key property of hierarchical relations is that they induce a partial ordering over the entities, which needs to be…

机器学习 · 计算机科学 2021-11-02 Yushi Bai , Rex Ying , Hongyu Ren , Jure Leskovec

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 (KG) embedding aims at embedding entities and relations in a KG into a lowdimensional latent representation space. Existing KG embedding approaches model entities andrelations in a KG by utilizing real-valued ,…

机器学习 · 计算机科学 2021-03-24 Chengjin Xu , Mojtaba Nayyeri , Yung-Yu Chen , Jens Lehmann

Learning hyperbolic embeddings for knowledge graph (KG) has gained increasing attention due to its superiority in capturing hierarchies. However, some important operations in hyperbolic space still lack good definitions, making existing…

机器学习 · 计算机科学 2023-02-09 Wentao Shi , Junkang Wu , Xuezhi Cao , Jiawei Chen , Wenqiang Lei , Wei Wu , Xiangnan He

Representation learning over temporal networks has drawn considerable attention in recent years. Efforts are mainly focused on modeling structural dependencies and temporal evolving regularities in Euclidean space which, however,…

社会与信息网络 · 计算机科学 2023-01-31 Menglin Yang , Min Zhou , Marcus Kalander , Zengfeng Huang , Irwin King

In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating knowledge from different KGs is…

数据库 · 计算机科学 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Entity alignment is the task of linking entities with the same real-world identity from different knowledge graphs (KGs), which has been recently dominated by embedding-based methods. Such approaches work by learning KG representations so…

计算与语言 · 计算机科学 2019-08-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Rui Yan , Dongyan Zhao

Knowledge Graphs (KGs) are ubiquitous structures for information storagein several real-world applications such as web search, e-commerce, social networks, and biology. Querying KGs remains a foundational and challenging problem due to…

机器学习 · 计算机科学 2021-05-14 Nurendra Choudhary , Nikhil Rao , Sumeet Katariya , Karthik Subbian , Chandan K. Reddy

Recently there is an increasing scholarly interest in time-varying knowledge graphs, or temporal knowledge graphs (TKG). Previous research suggests diverse approaches to TKG reasoning that uses historical information. However, less…

机器学习 · 计算机科学 2022-09-14 Jihoon Sohn , Mingyu Derek Ma , Muhao Chen

Representation Learning of words and Knowledge Graphs (KG) into low dimensional vector spaces along with its applications to many real-world scenarios have recently gained momentum. In order to make use of multiple KG embeddings for…

计算与语言 · 计算机科学 2020-04-16 Russa Biswas , Mehwish Alam , Harald Sack

Entity alignment, which is a prerequisite for creating a more comprehensive Knowledge Graph (KG), involves pinpointing equivalent entities across disparate KGs. Contemporary methods for entity alignment have predominantly utilized knowledge…

计算与语言 · 计算机科学 2024-01-31 Linyao Yang , Hongyang Chen , Xiao Wang , Jing Yang , Fei-Yue Wang , Han Liu