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2005•Journal of Hainan Normal UniversityRequires access

Spatial data index technique and its application in GIS software

Xie Gen-zong

Open publisher page 1 citations

Abstract

The spatial index is the key technique for improving the storage efficiency of spatial databases and the spatial retrieve performance.This paper classified a series of methods on spatial index,including R tree,R+ tree and R~* tree indexes,pointing out that the R~* tree has higher node storage rate and sometimes can avoid node split.Finally,an instance of R~* index was applied in the software of Visual Topo.

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What this paper is about

The spatial index is the key technique for improving the storage efficiency of spatial databases and the spatial retrieve performance.This paper classified a series of methods on spatial index,including R tree,R+ tree and R~* tree indexes,pointing out that the R~* tree has higher node storage rate and sometimes can avoid node split.Finally,an instance of R~* index was applied in the software of Visual Topo.

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Available abstract

The spatial index is the key technique for improving the storage efficiency of spatial databases and the spatial retrieve performance.This paper classified a series of methods on spatial index,including R tree,R+ tree and R~* tree indexes,pointing out that the R~* tree has higher node storage rate and sometimes can avoid node split.Finally,an instance of R~* index was applied in the software of Visual Topo.

Key concepts: Computer science, Index (typography), Spatial database, R-tree, Tree (set theory), Spatial analysis, Data mining, Node (physics)

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