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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

Knowledge graph (KG) alignment and completion are usually treated as two independent tasks. While recent work has leveraged entity and relation alignments from multiple KGs, such as alignments between multilingual KGs with common entities…

Computation and Language · Computer Science 2022-10-19 Vinh Tong , Dat Quoc Nguyen , Trung Thanh Huynh , Tam Thanh Nguyen , Quoc Viet Hung Nguyen , Mathias Niepert

Knowledge graph embedding (KGE) models represent each entity and relation of a knowledge graph (KG) with low-dimensional embedding vectors. These methods have recently been applied to KG link prediction and question answering over…

Computation and Language · Computer Science 2022-03-22 Apoorv Saxena , Adrian Kochsiek , Rainer Gemulla

Knowledge graph reasoning (KGR), aiming to deduce new facts from existing facts based on mined logic rules underlying knowledge graphs (KGs), has become a fast-growing research direction. It has been proven to significantly benefit the…

Artificial Intelligence · Computer Science 2024-10-28 Ke Liang , Lingyuan Meng , Meng Liu , Yue Liu , Wenxuan Tu , Siwei Wang , Sihang Zhou , Xinwang Liu , Fuchun Sun

Knowledge graph (KG) plays an increasingly important role to improve the recommendation performance and interpretability. A recent technical trend is to design end-to-end models based on information propagation schemes. However, existing…

Information Retrieval · Computer Science 2022-04-12 Yuntao Du , Xinjun Zhu , Lu Chen , Baihua Zheng , Yunjun Gao

Irregular data in real-world are usually organized as heterogeneous graphs (HGs) consisting of multiple types of nodes and edges. To explore useful knowledge from real-world data, both the large-scale encyclopedic HG datasets and…

Artificial Intelligence · Computer Science 2023-09-12 Yide Qiu , Shaoxiang Ling , Tong Zhang , Bo Huang , Zhen Cui

Entity alignment typically suffers from the issues of structural heterogeneity and limited seed alignments. In this paper, we propose a novel Multi-channel Graph Neural Network model (MuGNN) to learn alignment-oriented knowledge graph (KG)…

Computation and Language · Computer Science 2019-08-28 Yixin Cao , Zhiyuan Liu , Chengjiang Li , Zhiyuan Liu , Juanzi Li , Tat-Seng Chua

Constructing and serving knowledge graphs (KGs) is an iterative and human-centered process involving on-demand programming and analysis. In this paper, we present Kyurem, a programmable and interactive widget library that facilitates…

Human-Computer Interaction · Computer Science 2024-02-06 Sajjadur Rahman , Frederick Choi , Hannah Kim , Dan Zhang , Estevam Hruschka

Knowledge Graph(KG) has gained traction as a machine-readable organization of real-world knowledge for analytics using artificial intelligence systems. Graph Neural Network(GNN), is proven to be an effective KG embedding technique that…

Machine Learning · Computer Science 2026-02-24 Rajesh Rajagopalamenon , Unnikrishnan Cheramangalath

The construction of Generalized Knowledge Graph (GKG), including knowledge graph, event knowledge graph and commonsense knowledge graph, is fundamental for various natural language processing tasks. Current studies typically construct these…

Artificial Intelligence · Computer Science 2025-03-18 Jian Zhang , Bifan Wei , Shihao Qi , haiping Zhu , Jun Liu , Qika Lin

In the task of Knowledge Graph Completion (KGC), the existing datasets and their inherent subtasks carry a wealth of shared knowledge that can be utilized to enhance the representation of knowledge triplets and overall performance. However,…

Computation and Language · Computer Science 2024-05-14 Yongxue Shan , Jie Zhou , Jie Peng , Xin Zhou , Jiaqian Yin , Xiaodong Wang

Federated learning (FL) promotes the development and application of artificial intelligence technologies by enabling model sharing and collaboration while safeguarding data privacy. Knowledge graph (KG) embedding representation provides a…

Machine Learning · Computer Science 2024-03-14 Bingchen Liu , Yuanyuan Fang

Knowledge graph (KG) inference aims to address the natural incompleteness of KGs, including rule learning-based and KG embedding (KGE) models. However, the rule learning-based models suffer from low efficiency and generalization while KGE…

Artificial Intelligence · Computer Science 2022-08-23 Guanglin Niu , Bo Li , Yongfei Zhang , Shiliang Pu

Knowledge Graphs (KGs) have emerged as invaluable resources for enriching recommendation systems by providing a wealth of factual information and capturing semantic relationships among items. Leveraging KGs can significantly enhance…

Information Retrieval · Computer Science 2023-12-29 Yangqin Jiang , Yuhao Yang , Lianghao Xia , Chao Huang

A Knowledge Graph (KG) is the directed graphical representation of entities and relations in the real world. KG can be applied in diverse Natural Language Processing (NLP) tasks where knowledge is required. The need to scale up and complete…

Computation and Language · Computer Science 2024-04-19 Xincan Feng , Zhi Qu , Yuchang Cheng , Taro Watanabe , Nobuhiro Yugami

Knowledge Graph (KG) embeddings provide a low-dimensional representation of entities and relations of a Knowledge Graph and are used successfully for various applications such as question answering and search, reasoning, inference, and…

Artificial Intelligence · Computer Science 2021-10-22 Biswesh Mohapatra , Sumit Bhatia , Raghava Mutharaju , G. Srinivasaraghavan

Embedding knowledge graphs (KGs) into continuous vector spaces is a focus of current research. Combining such an embedding model with logic rules has recently attracted increasing attention. Most previous attempts made a one-time injection…

Artificial Intelligence · Computer Science 2017-12-01 Shu Guo , Quan Wang , Lihong Wang , Bin Wang , Li Guo

In contrast to large text corpora, knowledge graphs (KG) provide dense and structured representations of factual information. This makes them attractive for systems that supplement or ground the knowledge found in pre-trained language…

Computation and Language · Computer Science 2023-06-06 Sondre Wold , Lilja Øvrelid , Erik Velldal

Knowledge graph embedding aims at translating the knowledge graph into numerical representations by transforming the entities and relations into continuous low-dimensional vectors. Recently, many methods [1, 5, 3, 2, 6] have been proposed…

Artificial Intelligence · Computer Science 2017-04-06 Xiao-Fan Niu , Wu-Jun Li

Knowledge Graph Completion (KGC) aims to predict the missing [relation] part of (head entity)--[relation]->(tail entity) triplet. Most existing KGC methods focus on single features (e.g., relation types) or sub-graph aggregation. However,…

Computation and Language · Computer Science 2024-09-27 Pengjie Liu
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