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Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources. Despite such efforts,…

Machine Learning · Computer Science 2021-01-25 Andrea Rossi , Donatella Firmani , Antonio Matinata , Paolo Merialdo , Denilson Barbosa

Although Large Language Models achieve strong success in many tasks, they still suffer from hallucinations and knowledge deficiencies in real-world applications. Many knowledge graph-based retrieval-augmented generation (KG-RAG) methods…

Artificial Intelligence · Computer Science 2025-05-28 Hairu Wang , Yuan Feng , Xike Xie , S Kevin Zhou

In the realm of computational knowledge representation, Knowledge Graph Reasoning (KG-R) stands at the forefront of facilitating sophisticated inferential capabilities across multifarious domains. The quintessence of this research…

Artificial Intelligence · Computer Science 2024-03-12 Chen Li , Haotian Zheng , Yiping Sun , Cangqing Wang , Liqiang Yu , Che Chang , Xinyu Tian , Bo Liu

Recent deep learning approaches for representation learning on graphs follow a neighborhood aggregation procedure. We analyze some important properties of these models, and propose a strategy to overcome those. In particular, the range of…

Machine Learning · Computer Science 2018-06-27 Keyulu Xu , Chengtao Li , Yonglong Tian , Tomohiro Sonobe , Ken-ichi Kawarabayashi , Stefanie Jegelka

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

Large language models (LLMs) have garnered significant attention for their superior performance in many knowledge-driven applications on the world wide web.These models are designed to train hundreds of millions or more parameters on large…

Computation and Language · Computer Science 2025-04-09 Bingchen Liu , Yuanyuan Fang , Naixing Xu , Shihao Hou , Xin Li , Qian Li

Knowledge graphs (KGs) are an important source repository for a wide range of applications and rule mining from KGs recently attracts wide research interest in the KG-related research community. Many solutions have been proposed for the…

Artificial Intelligence · Computer Science 2022-02-22 Lihan Chen , Sihang Jiang , Jingping Liu , Chao Wang , Sheng Zhang , Chenhao Xie , Jiaqing Liang , Yanghua Xiao , Rui Song

Link prediction on knowledge graphs (KGs) has been extensively studied on binary relational KGs, wherein each fact is represented by a triple. A significant amount of important knowledge, however, is represented by hyper-relational facts…

Artificial Intelligence · Computer Science 2023-06-06 Bo Xiong , Mojtaba Nayyer , Shirui Pan , Steffen Staab

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

Knowledge Graphs (KGs) are a powerful representation of linked data, offering flexibility, semantic richness, and support for knowledge enrichment and reasoning. They help data owners organize and exploit heterogeneous data to provide…

Cryptography and Security · Computer Science 2026-05-20 Yasmine Hayder

A fundamental task for knowledge graphs (KGs) is knowledge graph completion (KGC). It aims to predict unseen edges by learning representations for all the entities and relations in a KG. A common concern when learning representations on…

Machine Learning · Computer Science 2023-02-13 Harry Shomer , Wei Jin , Wentao Wang , Jiliang Tang

Joint representation learning of text and knowledge within a unified semantic space enables us to perform knowledge graph completion more accurately. In this work, we propose a novel framework to embed words, entities and relations into the…

Computation and Language · Computer Science 2016-11-15 Xu Han , Zhiyuan Liu , Maosong Sun

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…

Computation and Language · Computer Science 2020-07-22 Yu Zhao , Anxiang Zhang , Ruobing Xie , Kang Liu , Xiaojie Wang

Human knowledge provides a formal understanding of the world. Knowledge graphs that represent structural relations between entities have become an increasingly popular research direction towards cognition and human-level intelligence. In…

Computation and Language · Computer Science 2021-04-02 Shaoxiong Ji , Shirui Pan , Erik Cambria , Pekka Marttinen , Philip S. Yu

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…

Databases · Computer Science 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Link prediction (LP) is crucial for Knowledge Graphs (KG) completion but commonly suffers from interpretability issues. While several methods have been proposed to explain embedding-based LP models, they are generally limited to local…

Artificial Intelligence · Computer Science 2024-12-09 Ye Sun , Lei Shi , Yongxin Tong

Knowledge Graph Representation Learning (KGRL), or Knowledge Graph Embedding (KGE), is essential for AI applications such as knowledge construction and information retrieval. These models encode entities and relations into lower-dimensional…

Artificial Intelligence · Computer Science 2024-10-22 Tiroshan Madushanka , Ryutaro Ichise

Real-world multimodal knowledge graphs (MKGs) are inherently heterogeneous, modeling entities that are associated with diverse modalities. Traditional knowledge graph embedding (KGE) methods excel at learning continuous representations of…

Artificial Intelligence · Computer Science 2026-03-16 Athanasios Efthymiou , Stevan Rudinac , Monika Kackovic , Nachoem Wijnberg , Marcel Worring

Visualization recommendation or automatic visualization generation can significantly lower the barriers for general users to rapidly create effective data visualizations, especially for those users without a background in data…

Human-Computer Interaction · Computer Science 2021-12-28 Haotian Li , Yong Wang , Songheng Zhang , Yangqiu Song , Huamin Qu

Current Continual Knowledge Graph Embedding (CKGE) methods primarily rely on translation-based embedding approaches, leveraging previously acquired knowledge to initialize new facts. While these methods often integrate fine-tuning or…

Information Retrieval · Computer Science 2025-08-29 Xinyan Wang , Jinshuo Liu , Kaijian Xie , Meng Wang , Cheng Bi , Juan Deng , Jeff Pan
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