GCMF: an efficient end-to-end spatial join system over large polygonal datasets on GPGPU platform

D Aghajarian, S Puri, S Prasad - Proceedings of the 24th ACM …, 2016 - dl.acm.org
Given two layers of large polygonal datasets, detecting those pairs of cross-layer polygons
which satisfy a join predicate, such as intersection or contain, is one of the most …

A universal parallel scheduling approach to polyline and polygon vector data buffer analysis on conventional GIS platforms

M Guo, C Han, Q Guan, Y Huang, Z Xie - Transactions in GIS, 2020 - Wiley Online Library
With the increasing volume of spatial data, conventional vector data buffer analysis
algorithms cannot meet the demands of fast data processing, so parallel computing is …

Parallel algorithm for improving the performance of spatial queries in SQL: The use cases of SQLite/SpatiaLite and PostgreSQL/PostGIS databases

M Ilba - Computers & Geosciences, 2021 - Elsevier
This paper proposes an open-source algorithm that performs parallel processing of spatial
queries, during which an initial selection of objects to be subjected to spatial relationship …

[PDF][PDF] Penerapan metode Self-Organizing Map (SOM) untuk visualisasi data geospasial pada informasi sebaran Data Pemilih Tetap (DPT)

Y Anis, RR Isnanto - Jurnal Sistem Informasi Bisnis, 2014 - pdfs.semanticscholar.org
Abstrak Metode Self-Organizing Map (SOM) merupakan suatu metode Jaringan Syaraf
Tiruan yang diperkenalkan oleh Professor Teuvo Kohonen pada tahun 1980-an, sebagai …

A vision for GPU-accelerated parallel computation on geo-spatial datasets

SK Prasad, M McDermott, S Puri, D Shah… - SIGSPATIAL …, 2015 - dl.acm.org
We summarize the need and present our vision for accelerating geo-spatial computations
and analytics using a combination of shared and distributed memory parallel platforms, with …

A parallel method to accelerate spatial operations involving polygon intersections

C Zhou, Z Chen, M Li - International Journal of Geographical …, 2018 - Taylor & Francis
Polygon intersection is an important spatial data-handling process, on which many spatial
operations are based. However, this process is computationally intensive because it …

[PDF][PDF] 融合地理探测器和地理加权回归的太原市建设用地变化因素研究

张瑞, 李朝奎, 姚思妤, 李维贵 - 测绘通报, 2022 - sssampling.cn
准确地识别城市化进程中建设用地的变化情况及其背后的驱动力, 对城市后续的可持续发展具有
重要意义. 本文首先以2000—2020 年遥感影像为基础, 对太原市建设用地空间分布变化进行 …

Geocomputation over the emerging heterogeneous computing infrastructure

X Shi, C Lai, M Huang, H You - Transactions in GIS, 2014 - Wiley Online Library
Emerging computer architectures and systems that combine multi‐core CPUs and
accelerator technologies, like many‐core Graphic Processing Units (GPUs) and Intel's Many …

利用GPU 的R 树细粒度并行STR 方法批量构建

邵华, 江南, 胡斌, 吕恒, 朱进 - 武汉大学学报(信息科学版), 2014 - ch.whu.edu.cn
目的大数据时代, 需要对海量空间数据更快速地建立高效索引, 使用递归排序网格(STR)
方法构建的R 树具有优秀的查询性能, 但构建效率不高. 本文利用基于计算机图形处理器(GPU) …

A Parallel Scheme for Large‐scale Polygon Rasterization on CUDA‐enabled GPUs

C Zhou, Z Chen, Y Pian, N Xiao, M Li - Transactions in GIS, 2017 - Wiley Online Library
This research develops a parallel scheme to adopt multiple graphics processing units
(GPUs) to accelerate large‐scale polygon rasterization. Three new parallel strategies are …