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Dynamic link prediction is important for modeling evolving interactions in complex systems, including social, communication, financial, and transportation networks. Classical temporal graph models capture sequential dependencies, but they…

Temporal graphs represent the dynamic relationships among entities and occur in many real life application like social networks, e commerce, communication, road networks, biological systems, and many more. They necessitate research beyond…

Machine Learning · Computer Science 2022-08-26 Shubham Gupta , Srikanta Bedathur

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

Identifying community structure of a complex network provides insight to the interdependence between the network topology and emergent collective behaviors of networks, while detecting such invariant communities in a time-varying network is…

Physics and Society · Physics 2018-11-13 Wenjing Wang , Xiang Li

Anomaly detection is an essential task in the analysis of dynamic networks, offering early warnings of abnormal behavior. We present a principled approach to detect anomalies in dynamic networks that integrates community structure as a…

Social and Information Networks · Computer Science 2024-11-28 Hadiseh Safdari , Caterina De Bacco

Community discovery is a central problem in the analysis of dynamic social networks. Traditional community discovery methods mainly focus on the formation and dissolution of links between nodes, and therefore often fail to capture the…

Social and Information Networks · Computer Science 2026-05-25 Yingnan Xu , Shuangshuang Chu

There has been an increasing interest in modeling continuous-time dynamics of temporal graph data. Previous methods encode time-evolving relational information into a low-dimensional representation by specifying discrete layers of neural…

Machine Learning · Computer Science 2022-06-01 Jin Guo , Zhen Han , Zhou Su , Jiliang Li , Volker Tresp , Yuyi Wang

Temporal graph clustering is a complex task that involves discovering meaningful structures in dynamic graphs where relationships and entities change over time. Existing methods typically require centralized data collection, which poses…

Machine Learning · Computer Science 2025-03-04 Zihao Zhou , Yang Liu , Xianghong Xu , Qian Li

Understanding how neuronal networks reorganize in response to external stimuli and give rise to behavior is a central challenge in neuroscience and artificial intelligence. However, existing methods often fail to capture the evolving…

Neurons and Cognition · Quantitative Biology 2025-06-02 Moein Khajehnejad , Forough Habibollahi , Ahmad Khajehnejad , Chris French , Brett J. Kagan , Adeel Razi

Dynamic graph modeling has recently attracted much attention due to its extensive applications in many real-world scenarios, such as recommendation systems, financial transactions, and social networks. Although many works have been proposed…

Machine Learning · Computer Science 2021-05-18 Lu Wang , Xiaofu Chang , Shuang Li , Yunfei Chu , Hui Li , Wei Zhang , Xiaofeng He , Le Song , Jingren Zhou , Hongxia Yang

Accurate and real-time traffic state prediction is of great practical importance for urban traffic control and web mapping services. With the support of massive data, deep learning methods have shown their powerful capability in capturing…

Machine Learning · Computer Science 2023-09-07 Xunlian Luo , Chunjiang Zhu , Detian Zhang , Qing Li

Community detection on attributed graphs with rich semantic and topological information offers great potential for real-world network analysis, especially user matching in online games. Graph Neural Networks (GNNs) have recently enabled…

Social and Information Networks · Computer Science 2025-02-21 Chang Liu , Yuwen Yang , Yue Ding , Hongtao Lu , Wenqing Lin , Ziming Wu , Wendong Bi

Graph neural networks (GNN) have shown significant capabilities in handling structured data, yet their application to dynamic, temporal data remains limited. This paper presents a new type of graph attention network, called TempoKGAT, which…

Machine Learning · Computer Science 2024-12-24 Lena Sasal , Daniel Busby , Abdenour Hadid

Deep reinforcement learning (DRL) methods have demonstrated potential for autonomous navigation and obstacle avoidance of unmanned ground vehicles (UGVs) in crowded environments. Most existing approaches rely on single-frame observation and…

Robotics · Computer Science 2026-01-01 Ruitong Li , Lin Zhang , Yuenan Zhao , Chengxin Liu , Ran Song , Wei Zhang

Temporal Graph Networks (TGNs) have shown remarkable performance in learning representation for continuous-time dynamic graphs. However, real-world dynamic graphs typically contain diverse and intricate noise. Noise can significantly…

Machine Learning · Computer Science 2023-09-06 Siwei Zhang , Yun Xiong , Yao Zhang , Yiheng Sun , Xi Chen , Yizhu Jiao , Yangyong Zhu

Non-local self-similarity in natural images has been verified to be an effective prior for image restoration. However, most existing deep non-local methods assign a fixed number of neighbors for each query item, neglecting the dynamics of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Chong Mou , Jian Zhang , Zhuoyuan Wu

Dynamic graph representation learning has emerged as a crucial research area, driven by the growing need for analyzing time-evolving graph data in real-world applications. While recent approaches leveraging recurrent neural networks (RNNs)…

Machine Learning · Computer Science 2024-10-28 Shengxiang Hu , Guobing Zou , Song Yang , Shiyi Lin , Yanglan Gan , Bofeng Zhang

A network provides powerful means of representing complex relationships between entities by abstracting entities as vertices, and relationships as edges connecting vertices in a graph. Beyond the presence or absence of relationships, a…

Social and Information Networks · Computer Science 2020-01-15 Isuru Udayangani Hewapathirana

The ability to anticipate technical expertise and capability evolution trends globally is essential for national and global security, especially in safety-critical domains like nuclear nonproliferation (NN) and rapidly emerging fields like…

Machine Learning · Computer Science 2023-07-20 Sameera Horawalavithana , Ellyn Ayton , Anastasiya Usenko , Robin Cosbey , Svitlana Volkova

Temporal interaction graphs (TIGs), defined by sequences of timestamped interaction events, have become ubiquitous in real-world applications due to their capability to model complex dynamic system behaviors. As a result, temporal…

Machine Learning · Computer Science 2025-12-19 Pengfei Jiao , Hongjiang Chen , Xuan Guo , Zhidong Zhao , Dongxiao He , Di Jin