نتایج جستجو برای: r amarus

تعداد نتایج: 447118  

Journal: :Data Knowl. Eng. 2004
Wonik Choi Bongki Moon Sukho Lee

R-tree based access methods for moving objects are hardly applicable in practice, due mainly to excessive space requirements and high management costs. To overcome the limitations of such R-tree based access methods, we propose a new index structure called AIM (Adaptive cell-based Index for Moving objects). The AIM is a cell-based multiversion access structure adopting an overlapping technique....

Journal: :JCP 2011
Aiguo Li Chi Zhang Jiulong Zhang Zhenhai Zhang

A new dynamic multi-dimensional index structure called RSR-tree is proposed, in which splitting operations of leaf nodes and non-leaf nodes are performed separatively. RSR-tree retains the sequence ordering of index records in a leaf node of RS-tree and thus reduces the addressing time cost of disk access while reading data files. In addition, it integrates the characteristic of reducing the ov...

Journal: :American Journal of Agricultural and Biological Sciences 2007

2001
Yufei Tao Dimitris Papadias

The Historical R-tree is a spatio-temporal access method aimed at the retrieval of window queries in the past. The concept behind the method is to keep an R-tree for each timestamp in history, but allow consecutive trees to share branches when the underlying objects do not change. New branches are only created to accommodate updates from the previous timestamp. Although existing implementations...

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