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Related papers: Two-stage Generative Question Answering on Tempora…

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Knowledge Base Question Answering (KBQA) has been a long-standing field to answer questions based on knowledge bases. Recently, the evolving dynamics of knowledge have attracted a growing interest in Temporal Knowledge Graph Question…

Computation and Language · Computer Science 2026-01-15 Miao Su , Zixuan Li , Zhuo Chen , Long Bai , Xiaolong Jin , Jiafeng Guo

Temporal Knowledge Graph Question Answering (TKGQA) aims to answer questions with temporal intent over Temporal Knowledge Graphs (TKGs). The core challenge of this task lies in understanding the complex semantic information regarding…

Computation and Language · Computer Science 2024-04-03 Zhuo Chen , Zhao Zhang , Zixuan Li , Fei Wang , Yutao Zeng , Xiaolong Jin , Yongjun Xu

Temporal Knowledge Graph Question Answering (TKGQA) aims to answer time-sensitive questions by leveraging factual information from Temporal Knowledge Graphs (TKGs). While previous studies have employed pre-trained TKG embeddings or graph…

Computation and Language · Computer Science 2025-11-07 Xinying Qian , Ying Zhang , Yu Zhao , Baohang Zhou , Xuhui Sui , Xiaojie Yuan

Current temporal knowledge graph question answering (TKGQA) methods primarily focus on implicit temporal constraints, lacking the capability of handling more complex temporal queries, and struggle with limited reasoning abilities and error…

Computation and Language · Computer Science 2025-09-05 Zhaoyan Gong , Juan Li , Zhiqiang Liu , Lei Liang , Huajun Chen , Wen Zhang

The rapid advancements in large language models (LLMs) have ignited interest in the temporal knowledge graph (tKG) domain, where conventional embedding-based and rule-based methods dominate. The question remains open of whether pre-trained…

Computation and Language · Computer Science 2024-04-18 Ruotong Liao , Xu Jia , Yangzhe Li , Yunpu Ma , Volker Tresp

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 question answering (TKGQA) aims to answer time-sensitive questions by leveraging temporal knowledge bases. While Large Language Models (LLMs) demonstrate significant potential in TKGQA, current prompting strategies…

Artificial Intelligence · Computer Science 2026-02-10 Zihao Jiang , Miao Peng , Zhenyan Shan , Wenjie Xu , Ben Liu , Gong Chen , Ziqi Gao , Min Peng

Temporal Knowledge Graph Completion (TKGC) is a complex task involving the prediction of missing event links at future timestamps by leveraging established temporal structural knowledge. This paper aims to provide a comprehensive…

Artificial Intelligence · Computer Science 2024-02-15 Ruilin Luo , Tianle Gu , Haoling Li , Junzhe Li , Zicheng Lin , Jiayi Li , Yujiu Yang

Temporal Knowledge Graph Reasoning (TKGR) is the process of utilizing temporal information to capture complex relations within a Temporal Knowledge Graph (TKG) to infer new knowledge. Conventional methods in TKGR typically depend on deep…

Artificial Intelligence · Computer Science 2024-12-31 Jiapu Wang , Kai Sun , Linhao Luo , Wei Wei , Yongli Hu , Alan Wee-Chung Liew , Shirui Pan , Baocai Yin

Question Answering over Temporal Knowledge Graphs (TKGQA) has attracted growing interest for handling time-sensitive queries. However, existing methods still struggle with: 1) weak incorporation of temporal constraints in question…

Computation and Language · Computer Science 2026-02-24 Wuzhenghong Wen , Bowen Zhou , Jinwen Huang , Xianjie Wu , Yuwei Sun , Su Pan , Liang Li , Jianting Liu

Knowledge Graph Question Answering (KGQA) involves retrieving facts from a Knowledge Graph (KG) using natural language queries. A KG is a curated set of facts consisting of entities linked by relations. Certain facts include also temporal…

Large language models (LLMs) have demonstrated strong performance in natural language generation but remain limited in knowle- dge-intensive tasks due to outdated or incomplete internal knowledge. Retrieval-Augmented Generation (RAG)…

Artificial Intelligence · Computer Science 2025-08-05 Dong Li , Yichen Niu , Ying Ai , Xiang Zou , Biqing Qi , Jianxing Liu

Question answering over temporal knowledge graphs (TKGQA) has recently found increasing interest. TKGQA requires temporal reasoning techniques to extract the relevant information from temporal knowledge bases. The only existing TKGQA…

Artificial Intelligence · Computer Science 2023-07-21 Zifeng Ding , Zongyue Li , Ruoxia Qi , Jingpei Wu , Bailan He , Yunpu Ma , Zhao Meng , Shuo Chen , Ruotong Liao , Zhen Han , Volker Tresp

Temporal Knowledge Graph Question Answering (TKGQA) is challenging because it requires multi-hop reasoning under complex temporal constraints. Recent LLM-based approaches have improved semantic modeling for this task, but many still rely on…

Computation and Language · Computer Science 2026-03-26 Xufei Lv , Jiahui Yang , Haoyuan Sun , Xialin Su , Zhiliang Tian , Yifu Gao , Linbo Qiao , Houde Liu

Temporal knowledge graph question answering (TKGQA) involves multi-hop reasoning over temporally constrained entity relationships in the knowledge graph to answer a given question. However, at each hop, large language models (LLMs) retrieve…

Artificial Intelligence · Computer Science 2026-01-06 Wuzhenghong Wen , Chao Xue , Su Pan , Yuwei Sun , Minlong Peng

Answering factual questions with temporal intent over knowledge graphs (temporal KGQA) attracts rising attention in recent years. In the generation of temporal queries, existing KGQA methods ignore the fact that some intrinsic connections…

Computation and Language · Computer Science 2023-05-12 Wentao Ding , Hao Chen , Huayu Li , Yuzhong Qu

Question answering over temporal knowledge graphs (TKGs) is crucial for understanding evolving facts and relationships, yet its development is hindered by limited datasets and difficulties in generating custom QA pairs. We propose a novel…

Logic in Computer Science · Computer Science 2025-01-09 Qiang Sun , Sirui Li , Du Huynh , Mark Reynolds , Wei Liu

Time plays a critical role in how information is generated, retrieved, and interpreted. In this survey, we provide a comprehensive overview of Temporal Question Answering (TQA), a research area that focuses on answering questions involving…

Computation and Language · Computer Science 2026-04-24 Bhawna Piryani , Abdelrahman Abdallah , Jamshid Mozafari , Avishek Anand , Adam Jatowt

Recent years have witnessed much interest in temporal reasoning over knowledge graphs (KG) for complex question answering (QA), but there remains a substantial gap in human capabilities. We explore how to generalize relational graph…

Computation and Language · Computer Science 2023-10-09 Aditya Sharma , Apoorv Saxena , Chitrank Gupta , Seyed Mehran Kazemi , Partha Talukdar , Soumen Chakrabarti

Temporal knowledge graphs (TKGs) support reasoning over time-evolving facts, yet state-of-the-art models are often computationally heavy and costly to deploy. Existing compression and distillation techniques are largely designed for static…

Computation and Language · Computer Science 2026-02-17 Wang Xing , Wei Song , Siyu Lin , Chen Wu , Man Wang
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