基于 aTPRA-tree的移动对象预测范围聚集查询算法研究

摘要

基于aTPRA-tree索引结构，提出了aTPRA-tree剪枝定理和算法。该算法提高了预测范围聚集查询的性能，实验数据证明了该方法的有效性。%　　Based on aTPRA-tree index structure, this paper presents aTPRA-tree-based pruning theorem and algorithm , which im-proves the performance of predictive range aggregate query .Experimental data proves the validity of this method .