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相关论文: Ultrahyperbolic Knowledge Graph Embeddings

200 篇论文

Learning from graph-structured data is an important task in machine learning and artificial intelligence, for which Graph Neural Networks (GNNs) have shown great promise. Motivated by recent advances in geometric representation learning, we…

机器学习 · 计算机科学 2019-10-30 Qi Liu , Maximilian Nickel , Douwe Kiela

In machine learning, data is usually represented in a (flat) Euclidean space where distances between points are along straight lines. Researchers have recently considered more exotic (non-Euclidean) Riemannian manifolds such as hyperbolic…

机器学习 · 计算机科学 2021-01-12 Marc T. Law , Jos Stam

Many mathematical models have been leveraged to design embeddings for representing Knowledge Graph (KG) entities and relations for link prediction and many downstream tasks. These mathematically-inspired models are not only highly scalable…

人工智能 · 计算机科学 2023-09-25 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

Graph-structured data are widespread in real-world applications, such as social networks, recommender systems, knowledge graphs, chemical molecules etc. Despite the success of Euclidean space for graph-related learning tasks, its ability to…

机器学习 · 计算机科学 2022-11-09 Min Zhou , Menglin Yang , Lujia Pan , Irwin King

Beyond word embeddings, continuous representations of knowledge graph (KG) components, such as entities, types and relations, are widely used for entity mention disambiguation, relation inference and deep question answering. Great strides…

信息检索 · 计算机科学 2018-05-15 Sandeep Subramanian , Soumen Chakrabarti

Embedding knowledge graphs (KGs) for multi-hop logical reasoning is a challenging problem due to massive and complicated structures in many KGs. Recently, many promising works projected entities and queries into a geometric space to…

机器学习 · 计算机科学 2023-04-25 Dong Yang , Peijun Qing , Yang Li , Haonan Lu , Xiaodong Lin

Graph convolutional networks (GCNs) are powerful frameworks for learning embeddings of graph-structured data. GCNs are traditionally studied through the lens of Euclidean geometry. Recent works find that non-Euclidean Riemannian manifolds…

机器学习 · 计算机科学 2022-11-10 Bo Xiong , Shichao Zhu , Nico Potyka , Shirui Pan , Chuan Zhou , Steffen Staab

This survey reviews hyperbolic graph embedding models, and evaluate them on anomaly detection, highlighting their advantages over Euclidean methods in capturing complex structures. Evaluating models like \textit{HGCAE},…

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…

机器学习 · 计算机科学 2024-12-18 Mengfan Li , Xuanhua Shi , Chenqi Qiao , Teng Zhang , Hai Jin

Knowledge Graph (KG) is a graph based data structure to represent facts of the world where nodes represent real world entities or abstract concept and edges represent relation between the entities. Graph as representation for knowledge has…

社会与信息网络 · 计算机科学 2024-04-16 Manita Pote

Hyperbolic geometry has emerged as an effective latent space for representing complex networks, owing to its ability to capture hierarchical organization and heterogeneous connectivity patterns using low-dimensional embeddings. As a result,…

机器学习 · 计算机科学 2026-05-01 Sofía Pérez Casulo , Marcelo Fiori , Bernardo Marenco , Federico Larroca

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

Aiming to alleviate data sparsity and cold-start problems of traditional recommender systems, incorporating knowledge graphs (KGs) to supplement auxiliary information has recently gained considerable attention. Via unifying the KG with…

信息检索 · 计算机科学 2022-01-04 Yankai Chen , Menglin Yang , Yingxue Zhang , Mengchen Zhao , Ziqiao Meng , Jianye Hao , Irwin King

Representing graphs as sets of node embeddings in certain curved Riemannian manifolds has recently gained momentum in machine learning due to their desirable geometric inductive biases, e.g., hierarchical structures benefit from hyperbolic…

机器学习 · 计算机科学 2020-06-09 Calin Cruceru , Gary Bécigneul , Octavian-Eugen Ganea

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

Recently, Hyper-relational Knowledge Graphs (HKGs) have been proposed as an extension of traditional Knowledge Graphs (KGs) to better represent real-world facts with additional qualifiers. As a result, researchers have attempted to adapt…

机器学习 · 计算机科学 2025-08-06 Yubo Wang , Shimin Di , Zhili Wang , Haoyang Li , Fei Teng , Hao Xin , Lei Chen

Knowledge graph (KG) plays an increasingly important role to improve the recommendation performance and interpretability. A recent technical trend is to design end-to-end models based on information propagation schemes. However, existing…

信息检索 · 计算机科学 2022-04-12 Yuntao Du , Xinjun Zhu , Lu Chen , Baihua Zheng , Yunjun Gao

Knowledge graphs (KGs), i.e. representation of information as a semantic graph, provide a significant test bed for many tasks including question answering, recommendation, and link prediction. Various amount of scholarly metadata have been…

人工智能 · 计算机科学 2019-04-30 Mojtaba Nayyeri , Sahar Vahdati , Jens Lehmann , Hamed Shariat Yazdi

Knowledge graphs are inherently incomplete. Therefore substantial research has been directed toward knowledge graph completion (KGC), i.e., predicting missing triples from the information represented in the knowledge graph (KG). KG…

机器学习 · 计算机科学 2023-03-23 Aleksandar Pavlović , Emanuel Sallinger

Knowledge Graph embedding provides a versatile technique for representing knowledge. These techniques can be used in a variety of applications such as completion of knowledge graph to predict missing information, recommender systems,…

信息检索 · 计算机科学 2021-07-19 Shivani Choudhary , Tarun Luthra , Ashima Mittal , Rajat Singh