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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…

Information Retrieval · Computer Science 2025-06-05 Zhiyu Zhang , Wei Chen , Youfang Lin , Huaiyu Wan

Large Language Models (LLMs) have demonstrated significant potential across various domains. However, they often struggle with integrating external knowledge and performing complex reasoning, leading to hallucinations and unreliable…

Machine Learning · Computer Science 2025-11-25 Yao Cheng , Yibo Zhao , Jiapeng Zhu , Yao Liu , Xing Sun , Xiang Li

Temporal Knowledge Graph (TKG) representation learning embeds entities and event types into a continuous low-dimensional vector space by integrating the temporal information, which is essential for downstream tasks, e.g., event prediction…

Machine Learning · Computer Science 2023-12-13 Xing Tang , Ling Chen

Large Language Models (LLMs) have achieved impressive reasoning abilities, but struggle with temporal understanding, especially when questions involve multiple entities, compound operators, and evolving event sequences. Temporal Knowledge…

Computation and Language · Computer Science 2026-02-24 Xingyu Tan , Xiaoyang Wang , Qing Liu , Xiwei Xu , Xin Yuan , Liming Zhu , Wenjie Zhang

Knowledge graph completion (KGC) can predict missing links and is crucial for real-world knowledge graphs, which widely suffer from incompleteness. KGC methods assume a knowledge graph is static, but that may lead to inaccurate prediction…

Artificial Intelligence · Computer Science 2023-11-14 Borui Cai , Yong Xiang , Longxiang Gao , He Zhang , Yunfeng Li , Jianxin Li

Short-term route prediction on road networks allows us to anticipate the future trajectories of road users, enabling various applications ranging from dynamic traffic control to personalized navigation. Despite recent advances in this area,…

Social and Information Networks · Computer Science 2025-10-02 Yihong Tang , Zhan Zhao , Weipeng Deng , Shuyu Lei , Yuebing Liang , Zhenliang Ma

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

Compared with static knowledge graphs, temporal knowledge graphs (tKG), which can capture the evolution and change of information over time, are more realistic and general. However, due to the complexity that the notion of time introduces…

Computation and Language · Computer Science 2025-04-07 Siheng Xiong , Yuan Yang , Faramarz Fekri , James Clayton Kerce

Temporal Knowledge Graph Forecasting (TKGF) aims to predict future events based on the observed events in history. Recently, Large Language Models (LLMs) have exhibited remarkable capabilities, generating significant research interest in…

Information Retrieval · Computer Science 2025-01-22 He Chang , Jie Wu , Zhulin Tao , Yunshan Ma , Xianglin Huang , Tat-Seng Chua

Temporal Knowledge Graph (TKG) reasoning focuses on predicting events through historical information within snapshots distributed on a timeline. Existing studies mainly concentrate on two perspectives of leveraging the history of TKGs,…

Machine Learning · Computer Science 2025-05-28 Jinchuan Zhang , Ming Sun , Chong Mu , Jinhao Zhang , Quanjiang Guo , Ling Tian

Temporal Knowledge Graph (TKG), which characterizes temporally evolving facts in the form of (subject, relation, object, timestamp), has attracted much attention recently. TKG reasoning aims to predict future facts based on given historical…

Machine Learning · Computer Science 2024-04-03 Zhongni Hou , Xiaolong Jin , Zixuan Li , Long Bai , Jiafeng Guo , Xueqi Cheng

Temporal knowledge graph (TKG) reasoning aims to predict the future missing facts based on historical information and has gained increasing research interest recently. Lots of works have been made to model the historical structural and…

Artificial Intelligence · Computer Science 2023-04-26 Hao Dong , Zhiyuan Ning , Pengyang Wang , Ziyue Qiao , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

A Temporal Knowledge Graph (TKG) is a sequence of KGs corresponding to different timestamps. TKG reasoning aims to predict potential facts in the future given the historical KG sequences. One key of this task is to mine and understand…

Artificial Intelligence · Computer Science 2022-03-22 Zixuan Li , Saiping Guan , Xiaolong Jin , Weihua Peng , Yajuan Lyu , Yong Zhu , Long Bai , Wei Li , Jiafeng Guo , Xueqi Cheng

Temporal knowledge graph (TKG) completion models typically rely on having access to the entire graph during training. However, in real-world scenarios, TKG data is often received incrementally as events unfold, leading to a dynamic…

Machine Learning · Computer Science 2023-05-31 Mehrnoosh Mirtaheri , Mohammad Rostami , Aram Galstyan

While large language models (LLMs) have demonstrated remarkable reasoning capabilities, they are not without their flaws and inaccuracies. Recent studies have introduced various methods to mitigate these limitations. Temporal reasoning…

Computation and Language · Computer Science 2024-10-10 Siheng Xiong , Ali Payani , Ramana Kompella , Faramarz Fekri

The automatic extraction of information is important for populating large web knowledge bases such as Wikidata. The temporal version of that task, temporal knowledge graph extraction (TKGE), involves extracting temporally grounded facts…

Computation and Language · Computer Science 2026-01-21 Arthur Amalvy , Hen-Hsen Huang

Emotion-Cause Pair Extraction (ECPE) aims to extract all emotion clauses and their corresponding cause clauses from a document. Existing approaches tackle this task through multi-task learning (MTL) framework in which the two subtasks…

Computation and Language · Computer Science 2023-06-08 Bowen Xing , Ivor W. Tsang

A temporal knowledge graph (TKG) stores the events derived from the data involving time. Predicting events is extremely challenging due to the time-sensitive property of events. Besides, the previous TKG completion (TKGC) approaches cannot…

Artificial Intelligence · Computer Science 2023-05-16 Guanglin Niu , Bo Li

Knowledge Graph-based Retrieval-Augmented Generation (KG-RAG) significantly enhances the reasoning capabilities of LargeLanguage Models by leveraging structured knowledge. However, existing KG-RAG frameworks typically operate as open-loop…

Information Retrieval · Computer Science 2025-08-14 Xujie Yuan , Shimin Di , Jielong Tang , Libin Zheng , Jian Yin

Multi-hop Knowledge Graph Question Answering (KGQA) requires coherent reasoning across relational paths, yet existing methods often treat each reasoning step independently and fail to effectively leverage experience from prior explorations,…

Computation and Language · Computer Science 2026-04-14 Yingxu Wang , Jiaxin Huang , Mengzhu Wang , Nan Yin