In terms of the mobility of data set, global distances at different situation are refined and some heuristics are presented for data set indexed by data structure of R tree family.

• 根据数据对象集的运动性不同构索引的数据集给出了裁减、更新和访问启发式规则，精化了运动和静止数据集下的全局距离的定义给出了一个并对R树结。