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Continuous Density Queries for Moving Objects

机译:移动对象的连续密度查询

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摘要

Monitoring dense areas, where the density of moving objects is higher than the given threshold, has many applications like traffic control, bandwidth management, and collision probability evaluation. Although many studies have been done on density queries for moving objects in highly dynamic scenarios, they all focused on how to answer snapshot density queries. In this paper, we focus on continuously monitoring dense regions for moving objects. Based on the notion of safe interval, we propose effective algorithms to evaluate and keep track of dense regions. Experimental results show that our method can achieve high efficiency when monitoring dense regions for moving objects.
机译:监视密集区域(运动对象的密度高于给定阈值)具有许多应用程序,例如流量控制,带宽管理和碰撞概率评估。尽管已经针对在高度动态场景中移动对象的密度查询进行了许多研究,但它们都集中在如何回答快照密度查询上。在本文中,我们专注于连续监视运动对象的密集区域。基于安全间隔的概念,我们提出了有效的算法来评估和跟踪密集区域。实验结果表明,该方法在监控运动物体的密集区域时可以达到较高的效率。

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