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Recent years have witnessed increasing interest in few-shot knowledge graph completion (FKGC), which aims to infer unseen query triples for a few-shot relation using a few reference triples about the relation. The primary focus of existing…

计算与语言 · 计算机科学 2022-09-28 Yuling Li , Kui Yu , Yuhong Zhang , Xindong Wu

Knowledge Graph Completion (KGC) is crucial for addressing knowledge graph incompleteness and supporting downstream applications. Many models have been proposed for KGC. They can be categorized into two main classes: triple-based and…

计算与语言 · 计算机科学 2024-02-26 Yanbin Wei , Qiushi Huang , James T. Kwok , Yu Zhang

Knowledge Graph (KG) and attention mechanism have been demonstrated effective in introducing and selecting useful information for weakly supervised methods. However, only qualitative analysis and ablation study are provided as evidence. In…

计算与语言 · 计算机科学 2021-11-19 Zikun Hu , Yixin Cao , Lifu Huang , Tat-Seng Chua

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…

计算与语言 · 计算机科学 2024-06-25 Haochen Liu , Song Wang , Chen Chen , Jundong Li

Knowledge graph completion (KGC) aims to infer missing knowledge triples based on known facts in a knowledge graph. Current KGC research mostly follows an entity ranking protocol, wherein the effectiveness is measured by the predicted rank…

计算与语言 · 计算机科学 2022-05-16 Ying Zhou , Xuanang Chen , Ben He , Zheng Ye , Le Sun

Knowledge Graphs (KGs) are foundational structures in many AI applications, representing entities and their interrelations through triples. However, triple-based KGs lack the contextual information of relational knowledge, like temporal…

人工智能 · 计算机科学 2024-07-01 Chengjin Xu , Muzhi Li , Cehao Yang , Xuhui Jiang , Lumingyuan Tang , Yiyan Qi , Jian Guo

Information extraction methods proved to be effective at triple extraction from structured or unstructured data. The organization of such triples in the form of (head entity, relation, tail entity) is called the construction of Knowledge…

人工智能 · 计算机科学 2022-08-25 Mohamad Zamini , Hassan Reza , Minou Rabiei

Knowledge Graphs have become fundamental infrastructure for applications such as intelligent question answering and recommender systems due to their expressive representation. Nevertheless, real-world knowledge is heterogeneous, leading to…

人工智能 · 计算机科学 2026-02-16 Xinyu Gao

The recent proliferation of knowledge graphs (KGs) coupled with incomplete or partial information, in the form of missing relations (links) between entities, has fueled a lot of research on knowledge base completion (also known as relation…

机器学习 · 计算机科学 2019-06-05 Deepak Nathani , Jatin Chauhan , Charu Sharma , Manohar Kaul

Knowledge Graph (KG) reasoning that predicts missing facts for incomplete KGs has been widely explored. However, reasoning over Temporal KG (TKG) that predicts facts in the future is still far from resolved. The key to predict future facts…

人工智能 · 计算机科学 2021-04-22 Zixuan Li , Xiaolong Jin , Wei Li , Saiping Guan , Jiafeng Guo , Huawei Shen , Yuanzhuo Wang , Xueqi Cheng

Knowledge Graphs (KGs) provide a structured representation of knowledge but often suffer from challenges of incompleteness. To address this, link prediction or knowledge graph completion (KGC) aims to infer missing new facts based on…

机器学习 · 计算机科学 2025-01-03 Wenkai Tu , Guojia Wan , Zhengchun Shang , Bo Du

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…

人工智能 · 计算机科学 2024-12-30 Muzhi Li , Cehao Yang , Chengjin Xu , Zixing Song , Xuhui Jiang , Jian Guo , Ho-fung Leung , Irwin King

Few-shot Knowledge Graph Completion (FKGC) infers missing triples from limited support samples, tackling long-tail distribution challenges. Existing methods, however, struggle to capture complex relational patterns and mitigate data…

计算与语言 · 计算机科学 2026-01-22 Zilong Wang , Qingtian Zeng , Hua Duan , Cheng Cheng , Minghao Zou , Ziyang Wang

Knowledge graphs (KGs) are valuable for representing structured, interconnected information across domains, enabling tasks like semantic search, recommendation systems and inference. A pertinent challenge with KGs, however, is that many…

计算与语言 · 计算机科学 2024-12-17 Haji Gul , Abdul Ghani Naim , Ajaz A. Bhat

Knowledge graph (KG) embedding techniques use structured relationships between entities to learn low-dimensional representations of entities and relations. The traditional KG embedding techniques (such as TransE and DistMult) estimate these…

机器学习 · 计算机科学 2022-10-17 Saurav Manchanda

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…

信息检索 · 计算机科学 2023-12-29 Yangqin Jiang , Yuhao Yang , Lianghao Xia , Chao Huang

Temporal Knowledge Graph Completion (TKGC) under the extrapolation setting aims to predict the missing entity from a fact in the future, posing a challenge that aligns more closely with real-world prediction problems. Existing research…

计算与语言 · 计算机科学 2023-10-25 Kunze Wang , Soyeon Caren Han , Josiah Poon

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…

计算与语言 · 计算机科学 2025-01-06 Rui Yang , Jiahao Zhu , Jianping Man , Hongze Liu , Li Fang , Yi Zhou

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,…

计算与语言 · 计算机科学 2024-05-14 Yongxue Shan , Jie Zhou , Jie Peng , Xin Zhou , Jiaqian Yin , Xiaodong Wang

The Knowledge Graph Completion~(KGC) task aims to infer the missing entity from an incomplete triple. Existing embedding-based methods rely solely on triples in the KG, which is vulnerable to specious relation patterns and long-tail…

人工智能 · 计算机科学 2025-05-01 Muzhi Li , Cehao Yang , Chengjin Xu , Xuhui Jiang , Yiyan Qi , Jian Guo , Ho-fung Leung , Irwin King
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