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Knowledge in materials science is widely dispersed across extensive scientific literature, posing significant challenges to the efficient discovery and integration of new materials. Traditional methods, often reliant on costly and…

Computation and Language · Computer Science 2025-05-16 Yanpeng Ye , Jie Ren , Shaozhou Wang , Yuwei Wan , Imran Razzak , Bram Hoex , Haofen Wang , Tong Xie , Wenjie Zhang

Recently, knowledge graph embedding, which projects symbolic entities and relations into continuous vector space, has become a new, hot topic in artificial intelligence. This paper addresses a new issue of multiple relation semantics that a…

Computation and Language · Computer Science 2017-09-11 Han Xiao , Minlie Huang , Yu Hao , Xiaoyan Zhu

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…

Artificial Intelligence · Computer Science 2023-09-25 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

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…

Social and Information Networks · Computer Science 2024-04-16 Manita Pote

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

Computation and Language · Computer Science 2023-05-18 Jason Youn , Ilias Tagkopoulos

We present MMKG, a collection of three knowledge graphs that contain both numerical features and (links to) images for all entities as well as entity alignments between pairs of KGs. Therefore, multi-relational link prediction and entity…

Artificial Intelligence · Computer Science 2019-03-14 Ye Liu , Hui Li , Alberto Garcia-Duran , Mathias Niepert , Daniel Onoro-Rubio , David S. Rosenblum

Most existing knowledge graphs (KGs) in academic domains suffer from problems of insufficient multi-relational information, name ambiguity and improper data format for large-scale machine processing. In this paper, we present AceKG, a new…

Information Retrieval · Computer Science 2018-08-08 Ruijie Wang , Yuchen Yan , Jialu Wang , Yuting Jia , Ye Zhang , Weinan Zhang , Xinbing Wang

A mathematical knowledge graph (KG) presents knowledge within the field of mathematics in a structured manner. Constructing a math KG using natural language is an essential but challenging task. There are two major limitations of existing…

Artificial Intelligence · Computer Science 2025-05-20 Rong Bian , Yu Geng , Zijian Yang , Bing Cheng

Biomedical Knowledge Graphs (BKGs) integrate diverse datasets to elucidate complex relationships within the biomedical field. Effective link prediction on these graphs can uncover valuable connections, such as potential novel drug-disease…

Computation and Language · Computer Science 2025-07-01 Tien Dang , Viet Thanh Duy Nguyen , Minh Tuan Le , Truong-Son Hy

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

Machine Learning · Computer Science 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

Knowledge Graphs (KGs) often have two characteristics: heterogeneous graph structure and text-rich entity/relation information. Text-based KG embeddings can represent entities by encoding descriptions with pre-trained language models, but…

Computation and Language · Computer Science 2023-09-15 Xin Xie , Zhoubo Li , Xiaohan Wang , Zekun Xi , Ningyu Zhang

We present AutoSchemaKG, a framework for fully autonomous knowledge graph construction that eliminates the need for predefined schemas. Our system leverages large language models to simultaneously extract knowledge triples and induce…

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 ,…

Machine Learning · Computer Science 2021-03-24 Chengjin Xu , Mojtaba Nayyeri , Yung-Yu Chen , Jens Lehmann

Knowledge Graph Embedding (KGE) techniques play a pivotal role in transforming symbolic Knowledge Graphs (KGs) into numerical representations, thereby enhancing various deep learning models for knowledge-augmented applications. Unlike…

Machine Learning · Computer Science 2025-03-24 Guanglin Niu

Knowledge graphs (KGs) of real-world facts about entities and their relationships are useful resources for a variety of natural language processing tasks. However, because knowledge graphs are typically incomplete, it is useful to perform…

Computation and Language · Computer Science 2020-10-28 Dat Quoc Nguyen

Knowledge graphs (KGs), as structured representations of real world facts, are intelligent databases incorporating human knowledge that can help machine imitate the way of human problem solving. However, KGs are usually huge and there are…

Machine Learning · Computer Science 2023-06-27 Haotian Li , Hongri Liu , Yao Wang , Guodong Xin , Yuliang Wei

Knowledge graph embedding (KGE) is an increasingly popular technique that aims to represent entities and relations of knowledge graphs into low-dimensional semantic spaces for a wide spectrum of applications such as link prediction,…

Machine Learning · Computer Science 2023-10-17 Jiahang Cao , Jinyuan Fang , Zaiqiao Meng , Shangsong Liang

A knowledge graph (KG) is a data structure which represents entities and relations as the vertices and edges of a directed graph with edge types. KGs are an important primitive in modern machine learning and artificial intelligence.…

Artificial Intelligence · Computer Science 2021-10-20 Michael R. Douglas , Michael Simkin , Omri Ben-Eliezer , Tianqi Wu , Peter Chin , Trung V. Dang , Andrew Wood

Practices in the built environment have become more digitalized with the rapid development of modern design and construction technologies. However, the requirement of practitioners or scholars to gather complicated professional knowledge in…

Computation and Language · Computer Science 2022-11-08 Xiaojun Yang , Haoyu Zhong , Penglin Du , Keyi Zhou , Xingjin Lai , Zhengdong Wang , Yik Lun Lau , Yangqiu Song , Liyaning Tang

In the field of representation learning on knowledge graphs (KGs), a hyper-relational fact consists of a main triple and several auxiliary attribute-value descriptions, which is considered more comprehensive and specific than a triple-based…

Artificial Intelligence · Computer Science 2023-10-17 Haoran Luo , Haihong E , Ling Tan , Gengxian Zhou , Tianyu Yao , Kaiyang Wan
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