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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…

Computation and Language · Computer Science 2022-09-16 Yang Liu , Zequn Sun , Guangyao Li , Wei Hu

Recently, a considerable literature has grown up around the theme of Graph Convolutional Network (GCN). How to effectively leverage the rich structural information in complex graphs, such as knowledge graphs with heterogeneous types of…

Machine Learning · Computer Science 2021-04-26 Donghan Yu , Yiming Yang , Ruohong Zhang , Yuexin Wu

Performing link prediction using knowledge graph embedding models has become a popular approach for knowledge graph completion. Such models employ a transformation function that maps nodes via edges into a vector space in order to measure…

Artificial Intelligence · Computer Science 2021-03-16 Mojtaba Nayyeri , Sahar Vahdati , Can Aykul , Jens Lehmann

Link prediction is critical for the application of incomplete knowledge graph (KG) in the downstream tasks. As a family of effective approaches for link predictions, embedding methods try to learn low-rank representations for both entities…

Computation and Language · Computer Science 2019-11-22 Canran Xu , Ruijiang Li

Knowledge graph embedding has been an active research topic for knowledge base completion (KGC), with progressive improvement from the initial TransE, TransH, RotatE et al to the current state-of-the-art QuatE. However, QuatE ignores the…

Computation and Language · Computer Science 2021-06-17 Haipeng Gao , Kun Yang , Yuxue Yang , Rufai Yusuf Zakari , Jim Wilson Owusu , Ke Qin

Knowledge Graph Embeddings (KGEs) have shown promising performance on link prediction tasks by mapping the entities and relations from a knowledge graph into a geometric space (usually a vector space). Ultimately, the plausibility of the…

Machine Learning · Computer Science 2020-10-20 Mojtaba Nayyeri , Chengjin Xu , Jens Lehmann , Sahar Vahdati

Knowledge Graph Embedding (KGE) models are used to learn continuous representations of entities and relations. A key task in the literature is predicting missing links between entities. However, Knowledge Graphs are not just sets of links…

Artificial Intelligence · Computer Science 2023-08-28 Thiviyan Thanapalasingam , Emile van Krieken , Peter Bloem , Paul Groth

Knowledge graph embedding (KGE) is a technique for learning continuous embeddings for entities and relations in the knowledge graph.Due to its benefit to a variety of downstream tasks such as knowledge graph completion, question answering…

Machine Learning · Computer Science 2019-06-25 Hengtong Zhang , Tianhang Zheng , Jing Gao , Chenglin Miao , Lu Su , Yaliang Li , Kui Ren

Knowledge Graph (KG) embedding is a fundamental problem in data mining research with many real-world applications. It aims to encode the entities and relations in the graph into low dimensional vector space, which can be used for subsequent…

Artificial Intelligence · Computer Science 2019-01-21 Yongqi Zhang , Quanming Yao , Yingxia Shao , Lei Chen

Knowledge Graphs (KG) and associated Knowledge Graph Embedding (KGE) models have recently begun to be explored in the context of drug discovery and have the potential to assist in key challenges such as target identification. In the drug…

Biomolecules · Quantitative Biology 2022-06-01 Stephen Bonner , Ian P Barrett , Cheng Ye , Rowan Swiers , Ola Engkvist , Charles Tapley Hoyt , William L Hamilton

Entity alignment is a viable means for integrating heterogeneous knowledge among different knowledge graphs (KGs). Recent developments in the field often take an embedding-based approach to model the structural information of KGs so that…

Computation and Language · Computer Science 2019-09-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Dongyan Zhao

Knowledge Graph (KG) embedding has attracted more attention in recent years. Most KG embedding models learn from time-unaware triples. However, the inclusion of temporal information beside triples would further improve the performance of a…

Machine Learning · Computer Science 2020-10-29 Chengjin Xu , Mojtaba Nayyeri , Fouad Alkhoury , Hamed Shariat Yazdi , Jens Lehmann

Multilingual knowledge graph (KG) embeddings provide latent semantic representations of entities and structured knowledge with cross-lingual inferences, which benefit various knowledge-driven cross-lingual NLP tasks. However, precisely…

Artificial Intelligence · Computer Science 2018-06-19 Muhao Chen , Yingtao Tian , Kai-Wei Chang , Steven Skiena , Carlo Zaniolo

The problem of knowledge graph (KG) reasoning has been widely explored by traditional rule-based systems and more recently by knowledge graph embedding methods. While logical rules can capture deterministic behavior in a KG they are brittle…

Artificial Intelligence · Computer Science 2020-09-24 Susheel Suresh , Jennifer Neville

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

Some of the most successful knowledge graph embedding (KGE) models for link prediction -- CP, RESCAL, TuckER, ComplEx -- can be interpreted as energy-based models. Under this perspective they are not amenable for exact maximum-likelihood…

Machine Learning · Computer Science 2024-01-17 Lorenzo Loconte , Nicola Di Mauro , Robert Peharz , Antonio Vergari

Knowledge Graphs (KGs) are symbolically structured storages of facts. The KG embedding contains concise data used in NLP tasks requiring implicit information about the real world. Furthermore, the size of KGs that may be useful in actual…

Computation and Language · Computer Science 2022-05-26 Viktoriia Chekalina , Anton Razzhigaev , Albert Sayapin , Evgeny Frolov , Alexander Panchenko

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…

Machine Learning · Computer Science 2023-03-23 Aleksandar Pavlović , Emanuel Sallinger

Knowledge representation learning aims at modeling knowledge graph by encoding entities and relations into a low dimensional space. Most of the traditional works for knowledge embedding need negative sampling to minimize a margin-based…

Artificial Intelligence · Computer Science 2018-10-01 Peifeng Wang , Shuangyin Li , Rong pan

Federated Knowledge Graph Embedding (FKGE) has recently garnered considerable interest due to its capacity to extract expressive representations from distributed knowledge graphs, while concurrently safeguarding the privacy of individual…

Information Retrieval · Computer Science 2024-06-19 Xiaoxiong Zhang , Zhiwei Zeng , Xin Zhou , Dusit Niyato , Zhiqi Shen
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