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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

Commonsense knowledge graph reasoning(CKGR) is the task of predicting a missing entity given one existing and the relation in a commonsense knowledge graph (CKG). Existing methods can be classified into two categories generation method and…

计算与语言 · 计算机科学 2020-08-14 Cunxiang Wang , Jinhang Wu , Luxin Liu , Yue Zhang

To provide more accurate, diverse, and explainable recommendation, it is compulsory to go beyond modeling user-item interactions and take side information into account. Traditional methods like factorization machine (FM) cast it as a…

机器学习 · 计算机科学 2019-06-11 Xiang Wang , Xiangnan He , Yixin Cao , Meng Liu , Tat-Seng Chua

Large Language Models (LLMs) have been extensively adopted in Knowledge Graph Completion (KGC), showcasing significant research advancements. However, as black-box models driven by deep neural architectures, current LLM-based KGC methods…

计算与语言 · 计算机科学 2025-10-22 Wenbin Guo , Xin Wang , Jiaoyan Chen , Zhao Li , Zirui Chen

Recent Continual Learning (CL)-based Temporal Knowledge Graph Reasoning (TKGR) methods focus on significantly reducing computational cost and mitigating catastrophic forgetting caused by fine-tuning models with new data. However, existing…

信息检索 · 计算机科学 2025-06-05 Zhiyu Zhang , Wei Chen , Youfang Lin , Huaiyu Wan

Knowledge graph completion (KGC) aims to reason over known facts and infer the missing links. Text-based methods such as KGBERT (Yao et al., 2019) learn entity representations from natural language descriptions, and have the potential for…

计算与语言 · 计算机科学 2022-03-07 Liang Wang , Wei Zhao , Zhuoyu Wei , Jingming Liu

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…

人工智能 · 计算机科学 2023-01-02 Yuxia Geng , Jiaoyan Chen , Jeff Z. Pan , Mingyang Chen , Song Jiang , Wen Zhang , Huajun Chen

Knowledge graph (KG) completion aims to identify additional facts that can be inferred from the existing facts in the KG. Recent developments in this field have explored this task in the inductive setting, where at test time one sees…

机器学习 · 计算机科学 2025-04-10 Sharmishtha Dutta , Alex Gittens , Mohammed J. Zaki , Charu C. Aggarwal

Large Language Models (LLMs) excel at intuitive, implicit reasoning. Guiding LLMs to construct thought chains can enhance their deliberate reasoning abilities, but also faces challenges such as hallucination. Knowledge Graphs (KGs) can…

计算与语言 · 计算机科学 2025-03-07 Guangyi Liu , Yongqi Zhang , Yong Li , Quanming Yao

Knowledge graph completion (KGC) seeks to predict missing entities (e.g., heads or tails) or relationships in knowledge graphs (KGs), which often contain incomplete data. Traditional embedding-based methods, such as TransE and ComplEx, have…

计算与语言 · 计算机科学 2025-03-11 Haji Gul , Ajaz Ahmad Bhat , Abdul Ghani Haji Naim

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

Conventional representation learning algorithms for knowledge graphs (KG) map each entity to a unique embedding vector, ignoring the rich information contained in the neighborhood. We propose a method named StarGraph, which gives a novel…

计算与语言 · 计算机科学 2023-01-05 Hongzhu Li , Xiangrui Gao , Linhui Feng , Yafeng Deng , Yuhui Yin

Graph class-incremental learning (GCIL) allows graph neural networks (GNNs) to adapt to evolving graph analytical tasks by incrementally learning new class knowledge while retaining knowledge of old classes. Existing GCIL methods primarily…

机器学习 · 计算机科学 2025-07-24 Jiazhen Chen , Zheng Ma , Sichao Fu , Mingbin Feng , Tony S. Wirjanto , Weihua Ou

Knowledge graph-grounded dialog generation requires retrieving a dialog-relevant subgraph from the given knowledge base graph and integrating it with the dialog history. Previous works typically represent the graph using an external…

计算与语言 · 计算机科学 2024-10-15 Jinyoung Park , Minseok Joo , Joo-Kyung Kim , Hyunwoo J. Kim

The goal of representation learning of knowledge graph is to encode both entities and relations into a low-dimensional embedding spaces. Many recent works have demonstrated the benefits of knowledge graph embedding on knowledge graph…

人工智能 · 计算机科学 2019-10-11 Wenqiang Liu , Hongyun Cai , Xu Cheng , Sifa Xie , Yipeng Yu , Hanyu Zhang

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

Knowledge graph question answering (KGQA) based on information retrieval aims to answer a question by retrieving answer from a large-scale knowledge graph. Most existing methods first roughly retrieve the knowledge subgraphs (KSG) that may…

计算与语言 · 计算机科学 2022-10-06 Hanning Gao , Lingfei Wu , Po Hu , Zhihua Wei , Fangli Xu , Bo Long

Inductive logic reasoning is a fundamental task in graph analysis, which aims to generalize patterns from data. This task has been extensively studied for traditional graph representations, such as knowledge graphs (KGs), using techniques…

机器学习 · 计算机科学 2024-05-07 Yuan Yang , Siheng Xiong , Ali Payani , James C Kerce , Faramarz Fekri

Relation reasoning in knowledge graphs (KGs) aims at predicting missing relations in incomplete triples, whereas the dominant paradigm is learning the embeddings of relations and entities, which is limited to a transductive setting and has…

计算机科学中的逻辑 · 计算机科学 2024-10-28 Yudai Pan , Jun Liu , Lingling Zhang , Xin Hu , Tianzhe Zhao , Qika Lin

Retrieval-Augmented Generation (RAG) enhances language models by grounding responses in external information, yet explainability remains a critical challenge, particularly when retrieval relies on unstructured text. Knowledge graphs (KGs)…

机器学习 · 计算机科学 2025-07-14 Georgios Balanos , Evangelos Chasanis , Konstantinos Skianis , Evaggelia Pitoura