Results 71 to 80 of about 1,078,281 (196)

Spatial database of planted forests in East Asia. [PDF]

open access: yesSci Data, 2023
Abbasi AO   +16 more
europepmc   +1 more source

Spatial Databases

open access: yes, 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   +2 more sources

Topological queries in spatial databases

open access: yesProceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Papadimitriou, CH., Suciu, D., Vianu, V.
openaire   +2 more sources

Logical aspects of spatial databases [PDF]

open access: yes, 2011
Spatial data and first-order logic - Capturing first-order geometric properties - First-order topological properties of plain sets - Conclusion on first-order topological properties - Point-based logics for geometric queries - Plane graphs - Spatial datalog and first-order logic extend with a while-loop - First-order logic extended with transitive ...
KUIJPERS, Bart, VAN DEN BUSSCHE, Jan
openaire   +2 more sources

Mars Climate Database version 5 [PDF]

open access: yes, 2012
The Mars Climate Database (MCD) is a database of meteorological fields derived from General Circulation Model (GCM) numerical simulations [2,4] of the Martian atmosphere and validated using available observational data.
Chauffray, J.-Y.   +15 more
core  

Application of the Spatial Database for Shoreline Change Analysis and Visualisation: Example from the Western Polish Coast, Southern Baltic Sea

open access: yesQuaestiones Geographicae, 2018
The main aim of the study was to introduce a spatial database application for the estimation of changes in shoreline position. The open-source PostgreSQL database system with the PostGIS spatial extension was used as the data store for digitalised ...
Kostecki Robert
doaj   +1 more source

Without purpose and strategy?: a spatio-functional analysis of the regional allocation of public investment in Greece [PDF]

open access: yes, 2011
We utilise a large database on public investment at the prefecture (NUTS-3) level in Greece for the period 1976-2008 to examine the spatial and functional allocation of public investment in the country.
Monastiriotis, Vassilis   +1 more
core  

Continental scale variability in ecosystem processes: Models, data, and the role of disturbance [PDF]

open access: yes, 1997
Management of ecosystems at large regional or continental scales and determination of the vulnerability of ecosystems to large-scale changes in climate or atmospheric chemistry require understanding how ecosystem processes are governed at large spatial ...
Braswell, Rob, Schimel, David S
core   +1 more source

3D WebGIS for Ephemeral Architecture Documentation and Studies in the Humanities

open access: yesHeritage
The documentation and visualization of ephemeral CH, especially for World’s Fairs architecture, remains a neglected endeavor on the global scale. While digital products like 3D models find extensive application in CH, the use of a WebGIS has scarcely ...
Alessandra Spreafico   +1 more
doaj   +1 more source

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