Results 1 to 10 of about 1,724,437 (198)
Enhancing Quad Tree for Spatial Index Using Space Filling Curves [PDF]
Engineering and Technology Journal, 2020 Spatial indexes, such as those based on the Quad Tree, are important in spatial databases for the effective implementation of queries with spatial constraints, especially when queries involve spatial links.
Ali Hussain, Rehab Hassan
doaj +1 more source
SLBRIN: A Spatial Learned Index Based on BRIN
ISPRS International Journal of Geo-Information, 2023 The spatial learned index constructs a spatial index by learning the spatial distribution, which performs a lower cost of storage and query than the spatial indices.
Lijun Wang +6 more
doaj +1 more source
Journal of Modern Power Systems and Clean Energy, 2022 Congestions are becoming a significant issue with an increasing number of occurrences in distribution networks due to the growing penetration of distributed generation and the expected development of electric mobility.
Jinping Zhao +3 more
doaj +1 more source
Visibility-Based R-Tree Spatial Index for Consistent Visualization in Indoor and Outdoor Scenes
ISPRS International Journal of Geo-Information, 2023 (1) Background: The smart city management system, with GIS technology as its core, is based on realistic visualization of multiple types of 3D model data syntheses.
Chengpeng Li +7 more
doaj +1 more source
Economies, 2022 The development of Information and Communications Technology and digital economies has contributed to changes in the consumption of goods and services in various areas of life, affecting the growing expectations of users in relation to price statistics ...
Ilaria Benedetti +3 more
doaj +1 more source
GeoFlink: An Efficient and Scalable Spatial Data Stream Management System
IEEE Access, 2022 This era is witnessing an exponential growth in spatial data due to the increase in GPS-enabled devices. Spatial data can be of extreme use to commercial businesses, governments and NGOs if processed timely.
Salman Ahmed Shaikh +4 more
doaj +1 more source
HiIndex: An Efficient Spatial Index for Rapid Visualization of Large-Scale Geographic Vector Data
ISPRS International Journal of Geo-Information, 2021 In the big data era, rapid visualization of large-scale vector data has become a serious challenge in Geographic Information Science (GIS). To fill the gap, we propose HiIndex, a spatial index that enables real-time and interactive visualization of large-
Zebang Liu +4 more
doaj +1 more source
State-of-the-Art Geospatial Information Processing in NoSQL Databases
ISPRS International Journal of Geo-Information, 2020 Geospatial information has been indispensable for many application fields, including traffic planning, urban planning, and energy management. Geospatial data are mainly stored in relational databases that have been developed over several decades, and ...
Dongming Guo, Erling Onstein
doaj +1 more source
A Hierarchical Spatial Network Index for Arbitrarily Distributed Spatial Objects
ISPRS International Journal of Geo-Information, 2021 The range query is one of the most important query types in spatial data processing. Geographic information systems use it to find spatial objects within a user-specified range, and it supports data mining tasks, such as density-based clustering. In many
Xiangqiang Min +3 more
doaj +1 more source
QRB-tree Indexing: Optimized Spatial Index Expanding upon the QR-tree Index
ISPRS International Journal of Geo-Information, 2021 Support for region queries is crucial in geographic information systems, which process exact queries through spatial indexing to filter features and subsequently refine the selection.
Jieqing Yu, Yi Wei, Qi Chu, Lixin Wu
doaj +1 more source