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Capturing the temporal evolution of Gaussian properties such as position, rotation, and scale is a challenging task due to the vast number of time-varying parameters and the limited photometric data available, which generally results in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Bingbing Hu , Yanyan Li , Rui Xie , Bo Xu , Haoye Dong , Junfeng Yao , Gim Hee Lee

Dynamic graphs are widely used to represent evolving real-world networks. Temporal Graph Neural Networks (TGNNs) have emerged as a powerful tool for processing such graphs, but the lack of transparency and explainability limits their…

Machine Learning · Computer Science 2025-12-30 Xuyan Li , Jie Wang , Zheng Yan

A temporal graph is a graph in which connections between vertices are active at specific times, and such temporal information leads to completely new patterns and knowledge that are not present in a non-temporal graph. In this paper, we…

Data Structures and Algorithms · Computer Science 2014-01-10 Silu Huang , James Cheng , Huanhuan Wu

Temporal graphs are graphs where the presence or properties of their vertices and edges change over time. When time is discrete, a temporal graph can be defined as a sequence of static graphs over a discrete time span, called lifetime, or…

Data Structures and Algorithms · Computer Science 2026-05-05 Binh-Minh Bui-Xuan , Florent Krasnopol , Bruno Monasson , Nathalie Sznajder

Temporal graph learning has applications in recommendation systems, traffic forecasting, and social network analysis. Although multiple architectures have been introduced, progress in positional encoding for temporal graphs remains limited.…

Machine Learning · Computer Science 2025-06-03 Yaniv Galron , Fabrizio Frasca , Haggai Maron , Eran Treister , Moshe Eliasof

Graphs are widely used for modeling various types of interactions, such as email communications and online discussions. Many of such real-world graphs are temporal, and specifically, they grow over time with new nodes and edges. Counting…

Social and Information Networks · Computer Science 2023-01-04 Deukryeol Yoon , Dongjin Lee , Minyoung Choe , Kijung Shin

Knowledge about space and time is necessary to solve problems in the physical world: An AI agent situated in the physical world and interacting with objects often needs to reason about positions of and relations between objects; and as soon…

Artificial Intelligence · Computer Science 2023-01-16 Jae Hee Lee , Michael Sioutis , Kyra Ahrens , Marjan Alirezaie , Matthias Kerzel , Stefan Wermter

Recent advances in computing, communication, and data storage have led to an increasing number of large digital libraries publicly available on the Internet. Main problem of content-based video retrieval is inferring semantics from raw…

Multimedia · Computer Science 2014-04-18 Hadi Restgou Haghi , Mohammadreza Kangavari , Behrang QasemiZadeh

The voluminous nature of geospatial temporal data from physical monitors and simulation models poses challenges to efficient data access, often resulting in cumbersome temporal selection experiences in web-based data portals. Thus,…

Human-Computer Interaction · Computer Science 2024-03-07 Juntong Chen , Haiwen Huang , Huayuan Ye , Zhong Peng , Chenhui Li , Changbo Wang

Data dependencies have been extended to graphs to characterize topological and value constraints. Existing data dependencies are defined to capture inconsistencies in static graphs. Nevertheless, inconsistencies may occur over evolving…

Databases · Computer Science 2022-07-27 Morteza Alipourlangouri , Adam Mansfield , Fei Chiang , Yinghui Wu

Conceptual Graphs (CGs) are a formalism to represent knowledge. However producing a CG database is complex. To the best of our knowledge, existing methods do not fully use the expressivity of CGs. It is particularly troublesome as it is…

Databases · Computer Science 2021-10-28 Adam Faci , Marie-Jeanne Lesot , Claire Laudy

Presenting long sequences of dynamic graphs remains challenging due to the underlying large-scale and high-dimensional data. We propose dg2pix, a novel pixel-based visualization technique, to visually explore temporal and structural…

Human-Computer Interaction · Computer Science 2020-09-17 Eren Cakmak , Dominik Jäckle , Tobias Schreck , Daniel Keim

Making a good graphic that accurately and efficiently conveys the desired message to the audience is both an art and a science, typically not taught in the data science curriculum. Visualisation makeovers are exercises where the community…

Human-Computer Interaction · Computer Science 2025-08-11 Siddharth Gangwar , David A. Selby , Sebastian J. Vollmer

Temporal graph classification plays a critical role in applications such as cybersecurity, brain connectivity analysis, social dynamics, and traffic monitoring. Despite its significance, this problem remains underexplored compared to…

Machine Learning · Computer Science 2025-11-26 Md. Joshem Uddin , Soham Changani , Baris Coskunuzer

In recent years, spatio-temporal graph neural networks (GNNs) have attracted considerable interest in the field of time series analysis, due to their ability to capture, at once, dependencies among variables and across time points. The…

Machine Learning · Computer Science 2025-12-01 Flavio Corradini , Flavio Gerosa , Marco Gori , Carlo Lucheroni , Marco Piangerelli , Martina Zannotti

Storyline visualizations are a popular way of visualizing characters and their interactions over time: Characters are drawn as x-monotone curves and interactions are visualized through close proximity of the corresponding character curves…

Computational Geometry · Computer Science 2023-03-01 Alexander Dobler , Martin Nöllenburg , Daniel Stojanovic , Anaïs Villedieu , Jules Wulms

Temporal graph neural networks (TGNNs) have gained significant traction for solving real-world temporal graph tasks. However, their interpretability remains limited, as most TGNNs fail to identify which historical interactions most…

Machine Learning · Computer Science 2026-05-20 Hongjiang Chen , Xin Zheng , Pengfei Jiao , Huan Liu , Zhidong Zhao , Huaming Wu , Feng Xia , Shirui Pan

Time-evolving traffic flow forecasting are playing a vital role in intelligent transportation systems and smart cities. However, the dynamic traffic flow forecasting is a highly nonlinear problem with complex temporal-spatial dependencies.…

Machine Learning · Computer Science 2025-08-05 Zhenan Lin , Yuni Lai , Wai Lun Lo , Richard Tai-Chiu Hsung , Harris Sik-Ho Tsang , Xiaoyu Xue , Kai Zhou , Yulin Zhu

Temporal (or time-evolving) networks are commonly used to model complex systems and the evolution of their components throughout time. Although these networks can be analyzed by different means, visual analytics stands out as an effective…

Human-Computer Interaction · Computer Science 2022-10-06 Claudio D. G. Linhares , Jean R. Ponciano , Diogenes S. Pedro , Luis E. C. Rocha , Agma J. M. Traina , Jorge Poco

Time normalization is the task of converting natural language temporal expressions into machine-readable representations. It underpins many downstream applications in information retrieval, question answering, and clinical decision-making.…

Computation and Language · Computer Science 2025-07-10 Xin Su , Sungduk Yu , Phillip Howard , Steven Bethard