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To create heterogeneous, multiscale structures with unprecedented functionalities, recent topology optimization approaches design either fully aperiodic systems or functionally graded structures, which compete in terms of design freedom and…

计算工程、金融与科学 · 计算机科学 2022-04-05 Yu-Chin Chan , Daicong Da , Liwei Wang , Wei Chen

This paper develops a spatiotemporal model for the visualization of dynamic topologies of hybrid spaces. The visualization of spatiotemporal data is a well-known problem, for example in digital twins in urban planning. There is also a lack…

计算机与社会 · 计算机科学 2024-03-11 Wolfgang Höhl

The emerging deep learning (DL) technology has recently exhibited great potential in data-driven short-term voltage stability (SVS) assessment of complex power grids. However, without sufficient attention to the time-varying topological…

系统与控制 · 电气工程与系统科学 2026-04-28 Chao Deng , Lipeng Zhu , Chang Liu , Hefeng Zhai , Baoye Tian , Zexiang Zhu , Jiayong Li , Cong Zhang

The availability of low cost sensors has led to an unprecedented growth in the volume of spatial data. However, the time required to evaluate even simple spatial queries over large data sets greatly hampers our ability to interactively…

数据库 · 计算机科学 2020-04-09 Harish Doraiswamy , Juliana Freire

Temporal graphs are graphs where the edge set can change in each time step, and the vertex set stays the same. Exploration of temporal graphs whose snapshot in each time step is a connected graph, called connected temporal graphs, has been…

数据结构与算法 · 计算机科学 2024-07-19 Konstantinos Dogeas , Thomas Erlebach , Frank Kammer , Johannes Meintrup , William K. Moses

Spatiotemporal graph represents a crucial data structure where the nodes and edges are embedded in a geometric space and can evolve dynamically over time. Nowadays, spatiotemporal graph data is becoming increasingly popular and important,…

机器学习 · 计算机科学 2022-03-02 Yuanqi Du , Xiaojie Guo , Hengning Cao , Yanfang Ye , Liang Zhao

Ergodic exploration has spawned a lot of interest in mobile robotics due to its ability to design time trajectories that match desired spatial coverage statistics. However, current ergodic approaches are for continuous spaces, which require…

机器人学 · 计算机科学 2025-09-30 Benjamin Wong , Ryan H. Lee , Tyler M. Paine , Santosh Devasia , Ashis G. Banerjee

Due to the fact that the numbers of annually published papers have witnessed a linear growth in some citation networks, a geometric model is thus proposed to predict some statistical features of those networks, in which the academic…

物理与社会 · 物理学 2016-07-07 Qi Liu , Zheng Xie , Engming Dong , Jianping Li

Time-series classification is one of the most frequently performed tasks in industrial data science, and one of the most widely used data representation in the industrial setting is tabular representation. In this work, we propose a novel…

机器学习 · 计算机科学 2021-10-06 Sharath M Shankaranarayana , Davor Runje

Spatial aspects of computation are becoming increasingly relevant in Computer Science, especially in the field of collective adaptive systems and when dealing with systems distributed in physical space. Traditional formal verification…

计算机科学中的逻辑 · 计算机科学 2019-03-14 Vincenzo Ciancia , Diego Latella , Michele Loreti , Mieke Massink

Increased attention has been paid over the last four years to dynamic network embedding. Existing dynamic embedding methods, however, consider the problem as limited to the evolution of a topology over a sequence of global, discrete states.…

机器学习 · 计算机科学 2021-11-23 David Bayani

Vision-Language-Action models have demonstrated remarkable capabilities in predicting agent movements within virtual environments and real-world scenarios based on visual observations and textual instructions. Although recent research has…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Maxim A. Patratskiy , Alexey K. Kovalev , Aleksandr I. Panov

An important aspect in categorizing topological phases is whether the system is spinless or spinful, given that these classes exhibit distinct symmetry algebras, leading to disparate topological classifications. By utilizing the projective…

量子气体 · 物理学 2026-01-21 Xiaofan Zhou , Suotang Jia , Jian-Song Pan

Large amounts of spatial, textual, and temporal data are being produced daily. This is data containing an unstructured component (text), a spatial component (geographic position), and a time component (timestamp). Therefore, there is a need…

数据库 · 计算机科学 2020-12-09 Mohsin Iqbal , Matteo Lissandrini , Torben Bach Pederse

We introduce MemoriesDB, a unified data architecture designed to avoid decoherence across time, meaning, and relation in long-term computational memory. Each memory is a time-semantic-relational entity-a structure that simultaneously…

数据库 · 计算机科学 2025-11-11 Joel Ward

Integrating heterogeneous data sources and expert knowledge is essential for overcoming data scarcity and enhancing estimation accuracy. Two main frameworks naturally arise to perform the integration of these multiple sources: sequential…

统计方法学 · 统计学 2025-11-26 Mario Figueira , David Conesa , Antonio López-Quílez , Håvard Rue

This is the first in a series of papers devoted to the theory of decomposition spaces, a general framework for incidence algebras and M\"obius inversion, where algebraic identities are realised by taking homotopy cardinality of equivalences…

范畴论 · 数学 2019-07-05 Imma Gálvez-Carrillo , Joachim Kock , Andrew Tonks

We introduce a framework for analyzing topological tipping in time-evolutionary point clouds by extending the recently proposed Topological Optimal Transport (TpOT) distance. While TpOT unifies geometric, homological, and higher-order…

机器学习 · 统计学 2026-03-18 Yixin Wang , Ting Gao , Jinqiao Duan

Graph foundation models represent a transformative paradigm for learning transferable representations across diverse graph domains. Recent methods leverage large language models to unify graph and text modalities into a shared…

机器学习 · 计算机科学 2025-12-23 Heng Zhang , Tianyi Zhang , Yuling Shi , Xiaodong Gu , Yaomin Shen , Haochen You , Zijian Zhang , Yilei Yuan , Jin Huang

Over the years, scene understanding has attracted a growing interest in computer vision, providing the semantic and physical scene information necessary for robots to complete some particular tasks autonomously. In 3D scenes, rich spatial…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Gang Ma , Hui Wei