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Different from traditional knowledge graphs (KGs) where facts are represented as entity-relation-entity triplets, hyper-relational KGs (HKGs) allow triplets to be associated with additional relation-entity pairs (a.k.a qualifiers) to convey…

Machine Learning · Computer Science 2021-04-19 Donghan Yu , Yiming Yang

In this paper, we introduce an embedding model, named CapsE, exploring a capsule network to model relationship triples (subject, relation, object). Our CapsE represents each triple as a 3-column matrix where each column vector represents…

Computation and Language · Computer Science 2019-03-07 Dai Quoc Nguyen , Thanh Vu , Tu Dinh Nguyen , Dat Quoc Nguyen , Dinh Phung

Reasoning with knowledge graphs (KGs) has primarily focused on triple-shaped facts. Recent advancements have been explored to enhance the semantics of these facts by incorporating more potent representations, such as hyper-relational facts.…

Artificial Intelligence · Computer Science 2023-12-15 Bo Xiong , Mojtaba Nayyeri , Linhao Luo , Zihao Wang , Shirui Pan , Steffen Staab

In this paper, we propose a new type of graph, denoted as "embedded-graph", and its theory, which employs a distributed representation to describe the relations on the graph edges. Embedded-graphs can express linguistic and complicated…

Discrete Mathematics · Computer Science 2017-09-15 Atsushi Yokoyama

In order to facilitate the accesses of general users to knowledge graphs, an increasing effort is being exerted to construct graph-structured queries of given natural language questions. At the core of the construction is to deduce the…

Artificial Intelligence · Computer Science 2024-04-01 Ruijie Wang , Meng Wang , Jun Liu , Michael Cochez , Stefan Decker

Knowledge graphs (KGs) have become valuable knowledge resources in various applications, and knowledge graph embedding (KGE) methods have garnered increasing attention in recent years. However, conventional KGE methods still face challenges…

Computation and Language · Computer Science 2023-12-19 Mingyang Chen , Wen Zhang , Yuxia Geng , Zezhong Xu , Jeff Z. Pan , Huajun Chen

Addressing the incompleteness problem in knowledge graph remains a significant challenge. Current knowledge graph completion methods have their limitations. For example, ComDensE is prone to overfitting and suffers from the degradation with…

Information Retrieval · Computer Science 2024-10-10 Chuhong Yang , Bin Li , Nan Wu

A key to knowledge graph embedding (KGE) is to choose a proper representation space, e.g., point-wise Euclidean space and complex vector space. In this paper, we propose a unified perspective of embedding and introduce uncertainty into KGE…

Machine Learning · Computer Science 2024-10-01 Changyi Xiao , Xiangnan He , Yixin Cao

Knowledge graph embedding (KGE) models typically represent each relation as an operator on entity embeddings. In this work, we identify three structural axioms that any principled relation operator must satisfy, linearity, trace…

Machine Learning · Computer Science 2026-05-12 Sayan Kumar Chaki

This paper presents a novel approach to network management by integrating intent-based networking (IBN) with knowledge graphs (KGs), creating a more intuitive and efficient pipeline for service orchestration. By mapping high-level business…

Networking and Internet Architecture · Computer Science 2024-05-14 Kashif Mehmood , Katina Kralevska , David Palma

Knowledge Graph Embedding (KGE) is a popular method for KG reasoning and training KGEs with higher dimension are usually preferred since they have better reasoning capability. However, high-dimensional KGEs pose huge challenges to storage…

Artificial Intelligence · Computer Science 2021-12-14 Yushan Zhu , Wen Zhang , Mingyang Chen , Hui Chen , Xu Cheng , Wei Zhang , Huajun Chen

This paper proposes a novel low-complexity three-dimensional (3D) localization algorithm for wireless sensor networks, termed quanternion-domain super multi-dimensional scaling (QD-SMDS). The algorithm is based on a reformulation of the…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Alessio Lukaj , Keigo Masuoka , Takumi Takahashi , Giuseppe Thadeu Freitas de Abreu , Hideki Ochiai

Entities may have complex interactions in a knowledge graph (KG), such as multi-step relationships, which can be viewed as graph contextual information of the entities. Traditional knowledge representation learning (KRL) methods usually…

Computation and Language · Computer Science 2020-12-08 Bin He , Di Zhou , Jing Xie , Jinghui Xiao , Xin Jiang , Qun Liu

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…

Artificial Intelligence · Computer Science 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

We revisit the efficacy of simple, real-valued embedding models for knowledge graph completion and introduce RelatE, an interpretable and modular method that efficiently integrates dual representations for entities and relations. RelatE…

Computation and Language · Computer Science 2025-05-27 Abhijit Chakraborty , Chahana Dahal , Ashutosh Balasubramaniam , Tejas Anvekar , Vivek Gupta

Federated Knowledge Graphs Embedding learning (FKGE) encounters challenges in communication efficiency stemming from the considerable size of parameters and extensive communication rounds. However, existing FKGE methods only focus on…

Machine Learning · Computer Science 2024-06-21 Xiaoxiong Zhang , Zhiwei Zeng , Xin Zhou , Dusit Niyato , Zhiqi Shen

The objective of knowledge graph embedding is to encode both entities and relations of knowledge graphs into continuous low-dimensional vector spaces. Previously, most works focused on symbolic representation of knowledge graph with…

Computation and Language · Computer Science 2016-12-14 Jiacheng Xu , Kan Chen , Xipeng Qiu , Xuanjing Huang

Knowledge graphs (KGs) represent world's facts in structured forms. KG completion exploits the existing facts in a KG to discover new ones. Translation-based embedding model (TransE) is a prominent formulation to do KG completion. Despite…

Artificial Intelligence · Computer Science 2019-10-11 Mojtaba Nayyeri , Chengjin Xu , Yadollah Yaghoobzadeh , Hamed Shariat Yazdi , Jens Lehmann

Many Knowledege Graphs (KGs) are frequently updated, forcing their Knowledge Graph Embeddings (KGEs) to adapt to these changes. To address this problem, continual learning techniques for KGEs incorporate embeddings for new entities while…

Machine Learning · Computer Science 2026-05-29 Gerard Pons , Besim Bilalli , Anna Queralt

Knowledge graphs suffer from sparsity which degrades the quality of representations generated by various methods. While there is an abundance of textual information throughout the web and many existing knowledge bases, aligning information…

Computation and Language · Computer Science 2021-04-13 Saed Rezayi , Handong Zhao , Sungchul Kim , Ryan A. Rossi , Nedim Lipka , Sheng Li