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相关论文: Knowledge Association with Hyperbolic Knowledge Gr…

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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

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.…

机器学习 · 计算机科学 2024-02-26 Wenjie Zheng , Wenxue Wang , Shu Zhao , Fulan Qian

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

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…

计算与语言 · 计算机科学 2019-08-20 Prodromos Kolyvakis , Alexandros Kalousis , Dimitris Kiritsis

The choice of geometric space for knowledge graph (KG) embeddings can have significant effects on the performance of KG completion tasks. The hyperbolic geometry has been shown to capture the hierarchical patterns due to its tree-like…

机器学习 · 计算机科学 2022-11-08 Huiru Xiao , Xin Liu , Yangqiu Song , Ginny Y. Wong , Simon See

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),…

机器学习 · 计算机科学 2022-06-28 Zongsheng Cao , Qianqian Xu , Zhiyong Yang , Xiaochun Cao , Qingming Huang

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

Knowledge graph (KG) entity typing aims at inferring possible missing entity type instances in KG, which is a very significant but still under-explored subtask of knowledge graph completion. In this paper, we propose a novel approach for KG…

计算与语言 · 计算机科学 2020-07-22 Yu Zhao , Anxiang Zhang , Ruobing Xie , Kang Liu , Xiaojie Wang

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

The main objective of Knowledge Graph (KG) embeddings is to learn low-dimensional representations of entities and relations, enabling the prediction of missing facts. A significant challenge in achieving better KG embeddings lies in…

计算与语言 · 计算机科学 2024-02-06 Yihua Zhu , Hidetoshi Shimodaira

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…

人工智能 · 计算机科学 2018-06-19 Muhao Chen , Yingtao Tian , Kai-Wei Chang , Steven Skiena , Carlo Zaniolo

Entity alignment seeks to find entities in different knowledge graphs (KGs) that refer to the same real-world object. Recent advancement in KG embedding impels the advent of embedding-based entity alignment, which encodes entities in a…

计算与语言 · 计算机科学 2020-07-21 Zequn Sun , Qingheng Zhang , Wei Hu , Chengming Wang , Muhao Chen , Farahnaz Akrami , Chengkai Li

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…

机器学习 · 计算机科学 2022-06-02 Bo Xiong , Shichao Zhu , Mojtaba Nayyeri , Chengjin Xu , Shirui Pan , Chuan Zhou , Steffen Staab

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

Knowledge Graphs (KGs) have gained considerable attention recently from both academia and industry. In fact, incorporating graph technology and the copious of various graph datasets have led the research community to build sophisticated…

人工智能 · 计算机科学 2020-06-03 Bilal Abu-Salih , Marwan Al-Tawil , Ibrahim Aljarah , Hossam Faris , Pornpit Wongthongtham

Knowledge graph (KG) embedding aims at learning the latent representations for entities and relations of a KG in continuous vector spaces. An empirical observation is that the head (tail) entities connected by the same relation often share…

计算与语言 · 计算机科学 2022-06-17 Xueliang Wang , Jiajun Chen , Feng Wu , Jie Wang

Many AI-related tasks involve the interactions of data in multiple modalities. It has been a new trend to merge multi-modal information into knowledge graph(KG), resulting in multi-modal knowledge graphs (MMKG). However, MMKGs usually…

人工智能 · 计算机科学 2021-06-08 Hao Guo , Jiuyang Tang , Weixin Zeng , Xiang Zhao , Li 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…

人工智能 · 计算机科学 2019-06-07 Qingheng Zhang , Zequn Sun , Wei Hu , Muhao Chen , Lingbing Guo , Yuzhong Qu

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
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