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Most current MKGC approaches are predominantly based on discriminative models that maximize conditional likelihood. These approaches struggle to efficiently capture the complex connections in real-world knowledge graphs, thereby limiting…

Information Retrieval · Computer Science 2025-04-10 Wei Huang , Meiyu Liang , Peining Li , Xu Hou , Yawen Li , Junping Du , Zhe Xue , Zeli Guan

We address the problem of learning vector representations for entities and relations in Knowledge Graphs (KGs) for Knowledge Base Completion (KBC). This problem has received significant attention in the past few years and multiple methods…

Artificial Intelligence · Computer Science 2018-01-09 Srinivas Ravishankar , Chandrahas , Partha Pratim Talukdar

Knowledge graph completion (KGC) focuses on identifying missing triples in a knowledge graph (KG) , which is crucial for many downstream applications. Given the rapid development of large language models (LLMs), some LLM-based methods are…

Computation and Language · Computer Science 2025-01-06 Rui Yang , Jiahao Zhu , Jianping Man , Hongze Liu , Li Fang , Yi Zhou

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

Knowledge Graphs (KGs) have been applied to many tasks including Web search, link prediction, recommendation, natural language processing, and entity linking. However, most KGs are far from complete and are growing at a rapid pace. To…

Artificial Intelligence · Computer Science 2017-11-10 Baoxu Shi , Tim Weninger

Knowledge graphs (KGs) that modelings the world knowledge as structural triples are inevitably incomplete. Such problems still exist for multimodal knowledge graphs (MMKGs). Thus, knowledge graph completion (KGC) is of great importance to…

Artificial Intelligence · Computer Science 2022-09-16 Yichi Zhang , Wen Zhang

Knowledge graph completion (KGC) tasks aim to infer missing facts in a knowledge graph (KG) for many knowledge-intensive applications. However, existing embedding-based KGC approaches primarily rely on factual triples, potentially leading…

Artificial Intelligence · Computer Science 2024-10-08 Guanglin Niu , Bo Li , Siling Feng

Knowledge Graph Completion (KGC) aims to predict the missing information in the (head entity)-[relation]-(tail entity) triplet. Deep Neural Networks have achieved significant progress in the relation prediction task. However, most existing…

Computation and Language · Computer Science 2024-08-15 Pengjie Liu

Scene graphs (SGs) represent objects and their relationships as structured graphs, enabling applications in image generation, robotics, and 3D understanding. Recent work suggests that conditioning image generation on scene graphs improves…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Rajalaxmi Rajagopalan , Romit Roy Choudhury

Inductive knowledge graph completion (KGC) aims to predict missing triples with unseen entities. Recent works focus on modeling reasoning paths between the head and tail entity as direct supporting evidence. However, these methods depend…

Artificial Intelligence · Computer Science 2024-12-30 Muzhi Li , Cehao Yang , Chengjin Xu , Zixing Song , Xuhui Jiang , Jian Guo , Ho-fung Leung , Irwin King

In knowledge graph completion (KGC), predicting triples involving emerging entities and/or relations, which are unseen when the KG embeddings are learned, has become a critical challenge. Subgraph reasoning with message passing is a…

Artificial Intelligence · Computer Science 2023-01-02 Yuxia Geng , Jiaoyan Chen , Jeff Z. Pan , Mingyang Chen , Song Jiang , Wen Zhang , Huajun Chen

Knowledge graph completion (KGC) aims to predict unseen edges in knowledge graphs (KGs), resulting in the discovery of new facts. A new class of methods have been proposed to tackle this problem by aggregating path information. These…

Machine Learning · Computer Science 2023-11-03 Harry Shomer , Yao Ma , Juanhui Li , Bo Wu , Charu C. Aggarwal , Jiliang Tang

Temporal Knowledge Graph (TKG) reasoning seeks to predict future missing facts from historical evidence. While diffusion models (DM) have recently gained attention for their ability to capture complex predictive distributions, two gaps…

Artificial Intelligence · Computer Science 2026-02-10 Yanglei Gan , Peng He , Yuxiang Cai , Run Lin , Guanyu Zhou , Qiao Liu

Knowledge Graphs (KGs) store information in the form of (head, predicate, tail)-triples. To augment KGs with new knowledge, researchers proposed models for KG Completion (KGC) tasks such as link prediction; i.e., answering (h; p; ?) or (?;…

Artificial Intelligence · Computer Science 2022-08-24 Haris Widjaja , Kiril Gashteovski , Wiem Ben Rim , Pengfei Liu , Christopher Malon , Daniel Ruffinelli , Carolin Lawrence , Graham Neubig

Knowledge graph completion (KGC) aims to predict missing facts in knowledge graphs (KGs), which is crucial as modern KGs remain largely incomplete. While training KGC models on multiple aligned KGs can improve performance, previous methods…

Computation and Language · Computer Science 2023-12-19 Wei Tang , Zhiqian Wu , Yixin Cao , Yong Liao , Pengyuan Zhou

Few-shot knowledge graph completion (FKGC) aims to query the unseen facts of a relation given its few-shot reference entity pairs. The side effect of noises due to the uncertainty of entities and triples may limit the few-shot learning, but…

Computation and Language · Computer Science 2024-03-22 Qian Li , Shu Guo , Yinjia Chen , Cheng Ji , Jiawei Sheng , Jianxin Li

Knowledge Graphs (KGs), composed of triples in the form of (head, relation, tail) and consisting of entities and relations, play a key role in information retrieval systems such as question answering, entity search, and recommendation. In…

Artificial Intelligence · Computer Science 2025-05-13 Jeongho Kim , Chanyeong Heo , Jaehee Jung

Few-shot Knowledge Graph (KG) Relational Reasoning aims to predict unseen triplets (i.e., query triplets) for rare relations in KGs, given only several triplets of these relations as references (i.e., support triplets). This task has gained…

Computation and Language · Computer Science 2024-06-25 Haochen Liu , Song Wang , Chen Chen , Jundong Li

Knowledge graphs (KGs), which consist of triples, are inherently incomplete and always require completion procedure to predict missing triples. In real-world scenarios, KGs are distributed across clients, complicating completion tasks due…

Machine Learning · Computer Science 2023-11-20 Maolin Wang , Dun Zeng , Zenglin Xu , Ruocheng Guo , Xiangyu Zhao

Knowledge graph completion (KGC) is the task of inferencing missing facts from any given knowledge graphs (KG). Previous KGC methods typically represent knowledge graph entities and relations as trainable continuous embeddings and fuse the…

Computation and Language · Computer Science 2023-07-13 Chen Chen , Yufei Wang , Yang Zhang , Quan Z. Sheng , Kwok-Yan Lam