Results 211 to 220 of about 117,366 (264)

Spatial-Temporal Analysis of Value Network Approach Application in Food Production Sciences. [PDF]

Foods
Vera-López JE, Santillán-Fernández A, Ireta-Paredes ADR, Vázquez-González I, Reyes-Castro R, Tadeo-Noble AE, Bautista-Ortega J, Arreola-Enriquez J.   +7 more
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Integrating Megabarcoding and Metabarcoding to Unlock Diversity and Distribution Data Shortfalls in Dark Taxa. [PDF]

Mol Ecol Resour
Santos-Perdomo I, Salces-Castellano A, Moraza ML, Mateos E, Muñoz-Barrera A, González-Montelongo R, Suárez D, Vega-Pita N, Falcón-López L, Lorenzo-Salazar JM, Flores C, Arribas P, Andújar C.   +12 more
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Decomposing spatial databases and applications

Proceedings 11th International Workshop on Database and Expert Systems Applications, 2002
Topological invariants of spatial databases can act as a basic structure to tackle relevant problems in the field. It turns out that the main concern in these problems is the manipulation of topological invariants by means of efficient algorithms. To this aim, we introduce the notion of boundary decomposition of a topological invariant and give a ...
CICERONE, SERAFINO, FRIGIONI, DANIELE, Di Felice P.   +2 more
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Semantics in spatial databases

1998
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications. The linear data model is particularly suited to model spatial database applications in which exact geometrical information is required and in which this information can be ...
Bart Kuijpers, Jan Paredaens, Luc Vandeurzen   +2 more
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Clustering in Dynamic Spatial Databases

Journal of Intelligent Information Systems, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ji Zhang, Wynne Hsu, Mong-Li Lee
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Genericity in Spatial Databases

2000
In 1980, Chandra and Harel investigated, in the context of the relational database model, which queries are “reasonable”. They characterized this class of queries by means of the concept of genericity, which has since taken a central position in the theory of computable queries.
Kuijpers, B., van Gucht, D.
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Research of spatial database based on spatial database engine

SPIE Proceedings, 2007
With increasing demands of GIS applications system in a complex, integrated, and other areas, the spatial data are required rapid growth for the systems, and users are more and more on the demand spatial data. The method which traditional documents express spatial data is obviously unable to meet these needs.
Mengquan Wu, Wuihong Cui, Xiaodong Yang, Yongqi Huang   +3 more
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