中文
相关论文

相关论文: CognTKE: A Cognitive Temporal Knowledge Extrapolat…

200 篇论文

Temporal Knowledge Graphs (TKGs) incorporate temporal information to reflect the dynamic structural knowledge and evolutionary patterns of real-world facts. Nevertheless, TKGs are still limited in downstream applications due to the problem…

机器学习 · 计算机科学 2024-08-29 Jinchuan Zhang , Tianqi Wan , Chong Mu , Guangxi Lu , Ling Tian

Temporal Knowledge Graph (TKG) forecasting aims to predict future facts based on given histories. Most recent graph-based models excel at capturing structural information within TKGs but lack semantic comprehension abilities. Nowadays, with…

计算与语言 · 计算机科学 2024-06-10 Yuwei Xia , Ding Wang , Qiang Liu , Liang Wang , Shu Wu , Xiaoyu Zhang

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…

人工智能 · 计算机科学 2024-12-31 Jiapu Wang , Kai Sun , Linhao Luo , Wei Wei , Yongli Hu , Alan Wee-Chung Liew , Shirui Pan , Baocai Yin

Dual-task dialog language understanding aims to tackle two correlative dialog language understanding tasks simultaneously via leveraging their inherent correlations. In this paper, we put forward a new framework, whose core is relational…

计算与语言 · 计算机科学 2023-06-16 Bowen Xing , Ivor W. Tsang

Reasoning in a temporal knowledge graph (TKG) is a critical task for information retrieval and semantic search. It is particularly challenging when the TKG is updated frequently. The model has to adapt to changes in the TKG for efficient…

人工智能 · 计算机科学 2021-05-11 Jiapeng Wu , Yishi Xu , Yingxue Zhang , Chen Ma , Mark Coates , Jackie Chi Kit Cheung

Reasoning on Temporal Knowledge Graphs (TKGs) is essential for predicting future events and time-aware facts. While existing methods are effective at capturing relational dynamics, their performance is limited by a closed-world assumption,…

人工智能 · 计算机科学 2026-04-14 Ze Zhao , Yuhui He , Lyuwen Wu , Gu Tang , Bin Lu , Xiaoying Gan , Luoyi Fu , Xinbing Wang , Chenghu Zhou

Forecasting future links is a central task in temporal graph (TG) reasoning, requiring models to leverage historical interactions to predict upcoming ones. Traditional neural approaches, such as temporal graph neural networks, achieve…

Graph Neural Networks (GNNs) have gained considerable traction for their capability to effectively process topological data, yet their interpretability remains a critical concern. Current interpretation methods are dominated by post-hoc…

机器学习 · 计算机科学 2024-02-08 Jiahua Rao , Jiancong Xie , Hanjing Lin , Shuangjia Zheng , Zhen Wang , Yuedong Yang

Knowledge Graphs (KGs) are foundational to applications such as search, question answering, and recommendation. Conventional knowledge graph construction methods are predominantly static, rely ing on a single-step construction from a fixed…

人工智能 · 计算机科学 2026-03-23 Weidong Bao , Yilin Wang , Ruyu Gao , Fangling Leng , Yubin Bao , Ge Yu

Spatio-temporal knowledge graphs (STKGs) enhance traditional KGs by integrating temporal and spatial annotations, enabling precise reasoning over questions with spatio-temporal dependencies. Despite their potential, research on…

计算与语言 · 计算机科学 2025-12-17 Xinbang Dai , Huiying Li , Nan Hu , Yongrui Chen , Rihui Jin , Huikang Hu , Guilin Qi

Temporal Knowledge Graphs (Temporal KGs) extend regular Knowledge Graphs by providing temporal scopes (start and end times) on each edge in the KG. While Question Answering over KG (KGQA) has received some attention from the research…

机器学习 · 计算机科学 2021-06-04 Apoorv Saxena , Soumen Chakrabarti , Partha Talukdar

Many complex real-world systems exhibit inherently intertwined temporal and spatial characteristics. Spatio-temporal knowledge graphs (STKGs) have therefore emerged as a powerful representation paradigm, as they integrate entities,…

社会与信息网络 · 计算机科学 2025-12-19 Philipp Plamper , Hanna Köpcke , Anika Groß

The integration of knowledge graphs (KGs) with large language models (LLMs) offers significant potential to improve the retrieval phase of retrieval-augmented generation (RAG) systems. In this study, we propose KG-CQR, a novel framework for…

计算与语言 · 计算机科学 2025-09-09 Chi Minh Bui , Ngoc Mai Thieu , Van Vinh Nguyen , Jason J. Jung , Khac-Hoai Nam Bui

Temporal Knowledge Graph (TKG) is an efficient method for describing the dynamic development of facts along a timeline. Most research on TKG reasoning (TKGR) focuses on modelling the repetition of global facts and designing patterns of…

人工智能 · 计算机科学 2025-07-03 Yuehang Si , Zefan Zeng , Jincai Huang , Qing Cheng

Many real-world systems exhibit temporal, dynamic behaviors, which are captured as time series of complex agent interactions. To perform temporal reasoning, current methods primarily encode temporal dynamics through simple sequence-based…

机器学习 · 计算机科学 2024-01-09 Paridhi Maheshwari , Hongyu Ren , Yanan Wang , Rok Sosic , Jure Leskovec

Dynamic Scene Graph Generation (DSGG) aims to create a scene graph for each video frame by detecting objects and predicting their relationships. Weakly Supervised DSGG (WS-DSGG) reduces annotation workload by using an unlocalized scene…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Zhu Xu , Ting Lei , Zhimin Li , Guan Wang , Qingchao Chen , Yuxin Peng , Yang liu

Temporal knowledge graph (TKG) reasoning has become a hot topic due to its great value in many practical tasks. The key to TKG reasoning is modeling the structural information and evolutional patterns of the TKGs. While great efforts have…

社会与信息网络 · 计算机科学 2025-01-07 Yuwei Du , Xinyue Liu , Wenxin Liang , Linlin Zong , Xianchao Zhang

Question answering over knowledge graphs (KG-QA) is a vital topic in IR. Questions with temporal intent are a special class of practical importance, but have not received much attention in research. This work presents EXAQT, the first…

信息检索 · 计算机科学 2021-09-21 Zhen Jia , Soumajit Pramanik , Rishiraj Saha Roy , Gerhard Weikum

Temporal knowledge graphs (TKGs) model the temporal evolution of events and have recently attracted increasing attention. Since TKGs are intrinsically incomplete, it is necessary to reason out missing elements. Although existing TKG…

人工智能 · 计算机科学 2023-04-11 Shangfei Zheng , Hongzhi Yin , Tong Chen , Quoc Viet Hung Nguyen , Wei Chen , Lei Zhao

Knowledge graphs (KGs) are vital for enabling knowledge reasoning across various domains. Recent KG reasoning methods that integrate both global and local information have achieved promising results. However, existing methods often suffer…

人工智能 · 计算机科学 2025-09-30 Jin Li , Zezhong Ding , Xike Xie