Results 1 to 10 of about 437,980 (285)
Topological queries in spatial databases
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Papadimitriou, CH., Suciu, D., Vianu, V.
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Building a Spatial Database for Romanian Archaeological Sites [PDF]
Spatial databases are a new technology in the database systems which allow storing, retrieving and maintaining geospatial data. This paper describes the steps which we have followed to model, design and develop a spatial database for Romanian ...
Aura-Mihaela MOCANU, Manole VELICANU
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The Invisible Forest: Conservation Easement Databases and the End of the Clandestine Conservation of Natural Lands [PDF]
Olmsted talks about invisible forest refers to forest lands -- and, for that matter, any other land types -- protected by a perpetual conservation easement, the existence and location of which are concealed from the public, whether deliberately or ...
Olmsted, James L.
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Logical aspects of spatial databases [PDF]
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
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Large-scale spatial population databases in infectious disease research
Modelling studies on the spatial distribution and spread of infectious diseases are becoming increasingly detailed and sophisticated, with global risk mapping and epidemic modelling studies now popular.
Linard Catherine, Tatem Andrew J
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Use of Landsat images for yield evaluation within a small plot
Many factors can influence crop yield. One of the most important factors is topography, which can play a crucial role especially in dry years. Plant variability can be monitored by many methods.
J. Kumhálová +4 more
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Efficient storage of heterogeneous geospatial data in spatial databases
The no-schema approach of NoSQL document stores is a tempting solution for importing heterogenous geospatial data to a spatial database. However, this approach means sacrificing the benefits of RDBMSes, such as existing integrations and the ACID ...
Atle Frenvik Sveen
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A generic method for improving the spatial interoperability of medical and ecological databases
Background The availability of big data in healthcare and the intensive development of data reuse and georeferencing have opened up perspectives for health spatial analysis.
A. Ghenassia +6 more
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TECHNIQUES AND METHODS OF GIS FOR REGIONAL DEVELOPMENT [PDF]
The paper presents some techniques and methods of geographic informatics systems, adapted and applied to the regional development applications. The characteristics of spatial databases, as they are required for regional applications are presented in the ...
Adriana REVEIU
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The Project that involves the Italian Institute “Centro Interuniversitario di Scienze del Territorio” and the Italian Regional Institution “Regione Toscana” is the background of the presented research that was activated to verify the potential use of ...
Christian Ciampi +3 more
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