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相关论文: MuCo-KGC: Multi-Context-Aware Knowledge Graph Comp…

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Knowledge graph completion (KGC) aims to alleviate the inherent incompleteness of knowledge graphs (KGs), which is a critical task for various applications, such as recommendations on the web. Although knowledge graph embedding (KGE) models…

人工智能 · 计算机科学 2024-04-08 Tengfei Ma , Xiang song , Wen Tao , Mufei Li , Jiani Zhang , Xiaoqin Pan , Jianxin Lin , Bosheng Song , xiangxiang Zeng

Knowledge Graph Completion (KGC) aims to conduct reasoning on the facts within knowledge graphs and automatically infer missing links. Existing methods can mainly be categorized into structure-based or description-based. On the one hand,…

计算与语言 · 计算机科学 2023-08-17 Jiabang He , Liu Jia , Lei Wang , Xiyao Li , Xing Xu

Multi-modal knowledge graph completion (MMKGC) aims to discover unobserved knowledge from given knowledge graphs, collaboratively leveraging structural information from the triples and multi-modal information of the entities to overcome the…

人工智能 · 计算机科学 2024-12-17 Yichi Zhang , Zhuo Chen , Lingbing Guo , Yajing Xu , Binbin Hu , Ziqi Liu , Wen Zhang , Huajun Chen

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…

人工智能 · 计算机科学 2024-10-08 Guanglin Niu , Bo Li , Siling Feng

Knowledge graphs (KGs) consisting of triples are always incomplete, so it's important to do Knowledge Graph Completion (KGC) by predicting missing triples. Multi-Source KG is a common situation in real KG applications which can be viewed as…

计算与语言 · 计算机科学 2020-10-27 Mingyang Chen , Wen Zhang , Zonggang Yuan , Yantao Jia , Huajun Chen

Knowledge Graphs (KGs) structure real-world entities and their relationships into triples, enhancing machine reasoning for various tasks. While domain-specific KGs offer substantial benefits, their manual construction is often inefficient…

计算与语言 · 计算机科学 2025-06-02 Jiaqi Sun , Shiyou Qian , Zhangchi Han , Wei Li , Zelin Qian , Dingyu Yang , Jian Cao , Guangtao Xue

Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase in the size of the KGs, they are becoming inaccuracy and incomplete. This problem can be solved by the knowledge graph…

机器学习 · 计算机科学 2024-08-06 Wanxu Wei , Yitong Song , Bin Yao

Knowledge Graph Completion (KGC) fundamentally hinges on the coherent fusion of pre-trained entity semantics with heterogeneous topological structures to facilitate robust relational reasoning. However, existing paradigms encounter a…

人工智能 · 计算机科学 2026-02-12 Xuecheng Zou , Yu Tang , Bingbing Wang

Graph convolutional networks (GCNs) -- which are effective in modeling graph structures -- have been increasingly popular in knowledge graph completion (KGC). GCN-based KGC models first use GCNs to generate expressive entity representations…

人工智能 · 计算机科学 2022-02-14 Zhanqiu Zhang , Jie Wang , Jieping Ye , Feng Wu

Knowledge Graphs (KGs) are widely employed in artificial intelligence applications, such as question-answering and recommendation systems. However, KGs are frequently found to be incomplete. While much of the existing literature focuses on…

人工智能 · 计算机科学 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

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…

计算与语言 · 计算机科学 2022-03-22 Apoorv Saxena , Adrian Kochsiek , Rainer Gemulla

Graph Neural Networks (GNNs) have demonstrated great success in Knowledge Graph Completion (KGC) by modeling how entities and relations interact in recent years. However, most of them are designed to learn from the observed graph structure,…

机器学习 · 计算机科学 2023-02-28 Heng Chang , Jie Cai , Jia Li

Knowledge graph completion (KGC) aims to predict the missing links among knowledge graph (KG) entities. Though various methods have been developed for KGC, most of them can only deal with the KG entities seen in the training set and cannot…

人工智能 · 计算机科学 2022-11-16 Zifeng Ding , Jingpei Wu , Bailan He , Yunpu Ma , Zhen Han , Volker Tresp

Knowledge graph (KG) alignment - the task of recognizing entities referring to the same thing in different KGs - is recognized as one of the most important operations in the field of KG construction and completion. However, existing…

Multimodal knowledge graph completion (MKGC) aims to predict missing entities in MKGs. Previous works usually share relation representation across modalities. This results in mutual interference between modalities during training, since for…

计算与语言 · 计算机科学 2022-11-02 Yu Zhao , Xiangrui Cai , Yike Wu , Haiwei Zhang , Ying Zhang , Guoqing Zhao , Ning Jiang

Large Language Models (LLMs) have shown impressive performance in various tasks, including knowledge graph completion (KGC). However, current studies mostly apply LLMs to classification tasks, like identifying missing triplets, rather than…

人工智能 · 计算机科学 2025-01-07 Zaiyi Zheng , Yushun Dong , Song Wang , Haochen Liu , Qi Wang , Jundong Li

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…

机器学习 · 计算机科学 2023-02-13 Harry Shomer , Wei Jin , Wentao Wang , Jiliang Tang

Leveraging Large Language Models (LLMs) for Knowledge Graph Completion (KGC) is promising but hindered by a fundamental granularity mismatch. LLMs operate on fragmented token sequences, whereas entities are the fundamental units in…

计算与语言 · 计算机科学 2026-02-27 Siyue Su , Jian Yang , Bo Li , Guanglin Niu

Different from traditional knowledge graphs (KGs) where facts are represented as entity-relation-entity triplets, hyper-relational KGs (HKGs) allow triplets to be associated with additional relation-entity pairs (a.k.a qualifiers) to convey…

机器学习 · 计算机科学 2021-04-19 Donghan Yu , Yiming Yang

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