Research on the Spatial Query Technology of Geospatial Database

Abstract:

The application requirement of Geospatial data is increasing and complex as it is getting numerous as a result of furthering study on geosciences. Based on a deeply research on Oracle Spatial storage management mechanism, this paper proposed a method that applies the graph theory to domain of optimizing spatial query of massive geographical data, and established a geospatial data query model in order to settle a problem of lower spatial query efficiency in geospatial database. Combining with the practical applications, this paper did a conventional spatial query test and a spatial query based on geospatial data model respectively. The result is that the spatial query based on geospatial data query model has a better efficiency than that on conventional method. Besides, this model can greatly improve the spatial query performance and this improvement will be increasingly apparent as the data volume increases.

• Periodical: Applied Mechanics and Materials (Volumes 571-572)
• Pages: 600-605
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.571-572.600
• Online since: June 2014
• Authors: Lei Gang Sun*, Jian Feng Liu, Quan Hong Xu
• Keywords: Graph Theory, Oracle Spatial, Spatial Data, Spatial Query

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