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Optimizing Spatial Databases [PDF]

open access: yesInformatică economică, 2010
This paper describes the best way to improve the optimization of spatial databases: through spatial indexes. The most commune and utilized spatial indexes are R-tree and Quadtree and they are presented, analyzed and compared in this paper. Also there are
Anda VELICANU, Ştefan OLARU
doaj   +5 more sources

3D TOPOLOGICAL SUPPORT IN SPATIAL DATABASES: AN OVERVIEW [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
The storage of spatial data that consists of spatial and non-spatial properties requires a database management system that possesses spatial functions that can cater to the spatial characteristics of data.
S. Salleh, U. Ujang, S. Azri
doaj   +2 more sources

Fuzzy Reliability in Spatial Databases [PDF]

open access: yesAdvances in Fuzzy Systems, 2013
Today it is very difficult to evaluate the quality of spatial databases, mainly for the heterogeneity of input data. We define a fuzzy process for evaluating the reliability of a spatial database: the area of study is partitioned in isoreliable zones ...
Ferdinando Di Martino, Salvatore Sessa
doaj   +4 more sources

Spatial Databases

open access: yesInternational Encyclopedia of Human Geography, 2009
Databases are computer systems designed to store information in a systematic way so that their contents can be easily accessed, managed, changed, and augmented. Spatial databases are such systems designed specifically to include data with spatial attributes, such as geographical location, distance, and extent.
openaire   +3 more sources

Spatial and temporal landslide distributions using global and open landslide databases

open access: yesNatural Hazards, 2023
Landslide databases are a potential tool for the analysis of landslide susceptibility, hazard, and risk. Additionally, the spatio-temporal distribution of landslides and their correlation with their triggering factors are inputs that facilitate the ...
Derly Gómez   +2 more
semanticscholar   +1 more source

Semantic-Linked Data Ontologies for Indoor Navigation System in Response to COVID-19

open access: yesISPRS International Journal of Geo-Information, 2021
Indoor navigation has become more important these days due to the current situation worldwide in the aftermath of the outbreak of the COVID-19 pandemic, posing an unparalleled threat amounting to a humanitarian crisis on a global scale. Indoor navigation
Abdullah Alamri
doaj   +1 more source

Key Types of Anthropic Influence on Surface Waters, Components of Spatial Decision Support System for Prevention and Management of Floods (Firiza Basin) [PDF]

open access: yesAerul şi Apa: Componente ale Mediului, 2020
In the current climate change context, setting up a real time spatial decision support system for flood prevention and management is more than a necessity.
Daniel Andrei SABĂU   +2 more
doaj   +1 more source

La déforestation baisse en Amazonie. Vraiment ?

open access: yesEchoGéo, 2023
The unexpected fall of deforestation in the Brazilian Amazon in 2022 has shown that deforestation phenomena are complex and that for many observers it is difficult to find their way in statistics and geospatial databases that are produced using different
François-Michel Le Tourneau
doaj   +1 more source

Eco-Geophysical and Geoecological Factors in Assessing the State of the Geological Environment Based on the Analysis of Spatial Databases of the Territory of the Republic of North Ossetia–Alania

open access: yesApplied Sciences, 2022
The article considers the main sources of pollutionin the territory of the Republic of North Ossetia–Alania. A study of environmental geophysical factors in the city of Vladikavkaz was carried out at 126 points; indicators of noise pollution, electric ...
Vladislav Zaalishvili   +3 more
doaj   +1 more source

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