Query and trigger of moving objects in WebGIS environment

被引：0
|
作者：
Zhang, FL [1 ]
He, YG [1 ]
Qin, ZG [1 ]
Zhou, MT [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Comp Sci & Engn, Chengdu 610054, Sichuan, Peoples R China
来源：
FOURTH INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION TECHNOLOGY, PROCEEDINGS | 2004年
关键词：
moving objects; trigger; webgis; query;
D O I：
10.1109/CIT.2004.1357288
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper we illustrate the architecture of the WebGIS environment, present a model of moving objects in cargo delivery system. This model will capture spatial and temporal aspects of the moving objects and incorporate the uncertainties associated with moving objects. We will give the operators and trigger definition over time and space. Moreover we will present special triggers which can be used to ensure that the answer-set to a spatiotemporal continuous query issued by a moving object, and develop the cargo delivery system based on our model.
引用
收藏
页码：770 / 775
页数：6
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