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相关论文: SSTKG: Simple Spatio-Temporal Knowledge Graph for …

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Temporal Knowledge Graphs (TKGs) represent dynamic facts as timestamped relations between entities. TKG completion involves forecasting missing or future links, requiring models to reason over time-evolving structure. While LLMs show…

机器学习 · 计算机科学 2025-05-26 Ömer Faruk Akgül , Feiyu Zhu , Yuxin Yang , Rajgopal Kannan , Viktor Prasanna

Knowledge graphs have garnered significant research attention and are widely used to enhance downstream applications. However, most current studies mainly focus on static knowledge graphs, whose facts do not change with time, and disregard…

计算与语言 · 计算机科学 2024-03-11 Li Cai , Xin Mao , Yuhao Zhou , Zhaoguang Long , Changxu Wu , Man Lan

Spatial-temporal data forecasting of traffic flow is a challenging task because of complicated spatial dependencies and dynamical trends of temporal pattern between different roads. Existing frameworks typically utilize given spatial…

机器学习 · 计算机科学 2021-03-09 Mengzhang Li , Zhanxing Zhu

Knowledge Graphs (KGs) provide a structured representation of knowledge but often suffer from challenges of incompleteness. To address this, link prediction or knowledge graph completion (KGC) aims to infer missing new facts based on…

机器学习 · 计算机科学 2025-01-03 Wenkai Tu , Guojia Wan , Zhengchun Shang , Bo Du

Knowledge graph (KG) reasoning is becoming increasingly popular in both academia and industry. Conventional KG reasoning based on symbolic logic is deterministic, with reasoning results being explainable, while modern embedding-based…

人工智能 · 计算机科学 2022-02-16 Wen Zhang , Jiaoyan Chen , Juan Li , Zezhong Xu , Jeff Z. Pan , Huajun Chen

In this paper, we propose a multi-view visualization technology for spatio-temporal knowledge graph(STKG), which utilizes three distinct perspectives: knowledge tree, knowledge net, and knowledge map, to facilitate a comprehensive analysis…

人机交互 · 计算机科学 2024-07-24 Jianping Zhou , Junhao Li , Guanjie Zheng , Yunqiang Zhu , Xinbing Wang , Chenghu Zhou

It's common for current methods in skeleton-based action recognition to mainly consider capturing long-term temporal dependencies as skeleton sequences are typically long (>128 frames), which forms a challenging problem for previous…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Lianyu Hu , Shenglan Liu , Wei Feng

Massive amount of data that are geo-tagged and associated with text information are being generated at an unprecedented scale in many emerging applications such as location based services and social networks. Due to their importance, a…

数据库 · 计算机科学 2018-05-08 Chengyuan Zhang , Lei Zhu , Weiren Yu , Jun Long , Fang Huang , Hongbo Zhao

Traffic flow prediction plays a crucial role in alleviating traffic congestion and enhancing transport efficiency. While combining graph convolution networks with recurrent neural networks for spatial-temporal modeling is a common strategy…

机器学习 · 计算机科学 2024-01-10 Haiyang Liu , Chunjiang Zhu , Detian Zhang

Knowledge Graph Embedding (KGE) techniques are crucial in learning compact representations of entities and relations within a knowledge graph, facilitating efficient reasoning and knowledge discovery. While existing methods typically focus…

计算与语言 · 计算机科学 2024-10-29 Pengcheng Jiang , Lang Cao , Cao Xiao , Parminder Bhatia , Jimeng Sun , Jiawei Han

Scene graph generation (SGG) endeavors to predict visual relationships between pairs of objects within an image. Prevailing SGG methods traditionally assume a one-off learning process for SGG. This conventional paradigm may necessitate…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Tao He , Tongtong Wu , Dongyang Zhang , Guiduo Duan , Ke Qin , Yuan-Fang Li

Knowledge Graphs (KGs), as structured knowledge bases that organize relational information across diverse domains, provide a unified semantic foundation for cross-domain recommendation (CDR). By integrating symbolic knowledge with user-item…

信息检索 · 计算机科学 2025-11-05 Yuhan Wang , Qing Xie , Zhifeng Bao , Mengzi Tang , Lin Li , Yongjian Liu

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…

计算与语言 · 计算机科学 2026-02-17 Wang Xing , Wei Song , Siyu Lin , Chen Wu , Man Wang

Although spatio-temporal graph neural networks have achieved great empirical success in handling multiple correlated time series, they may be impractical in some real-world scenarios due to a lack of sufficient high-quality training data.…

信号处理 · 电气工程与系统科学 2021-02-10 Chao Pan , Siheng Chen , Antonio Ortega

In the task of Knowledge Graph Completion (KGC), the existing datasets and their inherent subtasks carry a wealth of shared knowledge that can be utilized to enhance the representation of knowledge triplets and overall performance. However,…

计算与语言 · 计算机科学 2024-05-14 Yongxue Shan , Jie Zhou , Jie Peng , Xin Zhou , Jiaqian Yin , Xiaodong Wang

Knowledge graph embeddings (KGE) have been validated as powerful methods for inferring missing links in knowledge graphs (KGs) that they typically map entities into Euclidean space and treat relations as transformations of entities.…

机器学习 · 计算机科学 2024-02-26 Wenjie Zheng , Wenxue Wang , Shu Zhao , Fulan Qian

Entity alignment (EA) aims to find entities in different knowledge graphs (KGs) that refer to the same object in the real world. Recent studies incorporate temporal information to augment the representations of KGs. The existing methods for…

人工智能 · 计算机科学 2022-09-21 Li Cai , Xin Mao , Meirong Ma , Hao Yuan , Jianchao Zhu , Man Lan

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 Graphs (KGs) enhance recommender systems but face challenges from inherent noise, sparsity, and Euclidean geometry's inadequacy for complex relational structures, critically impairing representation learning, especially for…

信息检索 · 计算机科学 2025-11-20 Binhao Wang , Yutian Xiao , Maolin Wang , Zhiqi Li , Tianshuo Wei , Ruocheng Guo , Xiangyu Zhao

Knowledge graph completion (KGC) aims to solve the incompleteness of knowledge graphs (KGs) by predicting missing links from known triples, numbers of knowledge graph embedding (KGE) models have been proposed to perform KGC by learning…

人工智能 · 计算机科学 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou