Sun Bao-jun
Abstract
This article has discussed a hot research field: indexing techniques in spatial databases,And Focused on the information content and characteristics of spatial data and the classification of spatial data queries.Finally,the methods that frequently used in the spatial data indexing of spatial objects,approximation is introduced.
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This article has discussed a hot research field: indexing techniques in spatial databases,And Focused on the information content and characteristics of spatial data and the classification of spatial data queries.Finally,the methods that frequently used in the spatial data indexing of spatial objects,approximation is introduced.
Key concepts: Search engine indexing, Spatial database, Spatial analysis, Computer science, Field (mathematics), Information retrieval, Database, Data mining