R-Tree空间索引算法的研究历程和最新进展，挺详细的,R-Tree spatial index algorithm and the latest progress of the course, very detailed

在论述R树索引技术的相关概念、数据结构、算法描述及性能分析的基础上,提出了一种改进的R*树空间索引结构-R-tree Index in the paper related to the concept of technology, data structure, algorithm descr iption and performance analysis, based on an improved space for the R* Tree Index Structure

一种最新的R-Tree更新方式，能极大加快r-Tree的更新- One of the latest update of the R-Tree method can greatly accelerate the r-Tree Update