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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

Formal properties represent a cornerstone of the system-correctness proofs based on formal verification techniques such as model checking. Formalizing requirements into temporal properties may be very complex and error prone, due not only…

计算机科学中的逻辑 · 计算机科学 2017-09-08 Stefano Tonetta

The statistical modeling of multivariate count data observed on a space-time lattice has generally focused on using a hierarchical modeling approach where space-time correlation structure is placed on a continuous, latent, process. The…

应用统计 · 统计学 2021-02-16 Nicholas J Clark , Philip M. Dixon

The rich spatio-temporal information is crucial to capture the complicated target appearance variations in visual tracking. However, most top-performing tracking algorithms rely on many hand-crafted components for spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jinxia Xie , Bineng Zhong , Zhiyi Mo , Shengping Zhang , Liangtao Shi , Shuxiang Song , Rongrong Ji

We introduce an interleaving operational semantics for describing the client-observable behaviour of atomic transactions on distributed key-value stores. Our semantics builds on abstract states comprising centralised, global key-value…

计算机科学中的逻辑 · 计算机科学 2019-10-07 Shale Xiong , Andrea Cerone , Azalea Raad , Philippa Gardner

Spatio-temporal machine learning is critically needed for a variety of societal applications, such as agricultural monitoring, hydrological forecast, and traffic management. These applications greatly rely on regional features that…

机器学习 · 计算机科学 2023-03-09 Zhexiong Liu , Licheng Liu , Yiqun Xie , Zhenong Jin , Xiaowei Jia

The data generated by long-delayed dynamical systems can be organized in patterns by means of the so-called spatio-temporal representation, uncovering the role of multiple time-scales as independent degrees of freedom. However, their…

混沌动力学 · 物理学 2018-12-19 Francesco Marino , Giovanni Giacomelli

Cities are a big source of spatio-temporal data that is shared across entities to drive potential use cases. Many of the Spatio-temporal datasets are confidential and are selectively shared. To allow selective sharing, several access…

数据库 · 计算机科学 2017-11-13 Sandeep Singh Sandha

We consider the problem of modeling, estimating, and controlling the latent state of a spatiotemporally evolving continuous function using very few sensor measurements and actuator locations. Our solution to the problem consists of two…

系统与控制 · 计算机科学 2015-08-11 Hassan A. Kingravi , Harshal Maske , Girish Chowdhary

Ever-increasing smartphone-generated video content demands intelligent techniques to edit and enhance videos on power-constrained devices. Most of the best performing algorithms for video understanding tasks like action recognition,…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Rishubh Parihar , Gaurav Ramola , Ranajit Saha , Ravi Kini , Aniket Rege , Sudha Velusamy

Spatiotemporal data consisting of timestamps, GPS coordinates, and IDs occurs in many settings. Modeling approaches for this type of data must address challenges in terms of sensor noise, uneven sampling rates, and non-persistent IDs. In…

统计方法学 · 统计学 2024-10-10 Pranay Pherwani , Nicholas Hass , Anna K. Yanchenko

Spatio-Temporal (ST) data science, which includes sensing, managing, and mining large-scale data across space and time, is fundamental to understanding complex systems in domains such as urban computing, climate science, and intelligent…

数据库 · 计算机科学 2025-03-19 Yuxuan Liang , Haomin Wen , Yutong Xia , Ming Jin , Bin Yang , Flora Salim , Qingsong Wen , Shirui Pan , Gao Cong

With the advancement of GPS and remote sensing technologies, large amounts of geospatial and spatiotemporal data are being collected from various domains, driving the need for effective and efficient prediction methods. Given spatial data…

机器学习 · 计算机科学 2020-12-25 Zhe Jiang

This paper introduces a model that identifies spatial relationships for a structural analysis based on the concept of simplicial complex. The spatial relationships are identified through overlapping two map layers, namely a primary layer…

数据分析、统计与概率 · 物理学 2008-01-15 Bin Jiang , Itzhak Omer

Modeling spatiotemporal dynamical systems is a fundamental challenge in machine learning. Transformer models have been very successful in NLP and computer vision where they provide interpretable representations of data. However, a…

机器学习 · 计算机科学 2023-08-01 Antonio H. de O. Fonseca , Emanuele Zappala , Josue Ortega Caro , David van Dijk

Deep learning applies hierarchical layers of hidden variables to construct nonlinear high dimensional predictors. Our goal is to develop and train deep learning architectures for spatio-temporal modeling. Training a deep architecture is…

机器学习 · 统计学 2018-05-08 Matthew F. Dixon , Nicholas G. Polson , Vadim O. Sokolov

Real-time video analysis remains a challenging problem in computer vision, requiring efficient processing of both spatial and temporal information while maintaining computational efficiency. Existing approaches often struggle to balance…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Shahla John

Human action is naturally compositional: humans can easily recognize and perform actions with objects that are different from those used in training demonstrations. In this paper, we study the compositionality of action by looking into the…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Joanna Materzynska , Tete Xiao , Roei Herzig , Huijuan Xu , Xiaolong Wang , Trevor Darrell

Spatial statistics is concerned with the analysis of data that have spatial locations associated with them, and those locations are used to model statistical dependence between the data. The spatial data are treated as a single realisation…

统计方法学 · 统计学 2022-02-09 Noel Cressie , Matthew Sainsbury-Dale , Andrew Zammit-Mangion

Real-world graphs often contain spatio-temporal information and evolve over time. Compared with static graphs, spatio-temporal graphs have very different characteristics, presenting more significant challenges in data volume, data velocity,…

分布式、并行与集群计算 · 计算机科学 2020-10-21 Mengsu Ding , Muqiao Yang , Shimin Chen