空间索引技术研究

摘要

空间数据索引技术是提高空间数据库查询性能的关键技术，直接影响到空间数据库系统的整体性能。本文主要介绍了当前空间索引技术以及空间索引的几个研究方向。%Spatial data indexing technology is a key technology of improving the spatial database query, which directly impact on the overall performance of spatial database systems. This paper describes the current spatial index and several research directions of spatial index.