On-Demand XML Data Broadcast in Wireless Computing Environments

被引：5
|
作者：
Sun, Weiwei [1 ]
Qin, Yongrui [1 ]
Yu, Ping [1 ]
Zhang, Zhuoyao [1 ]
机构：
[1] Fudan Univ, Dept Comp & Informat Technol, Shanghai 200433, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-15 | 2007年
关键词：
data broadcast; XML; pruning; index;
D O I：
10.1109/WICOM.2007.754
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In mobile wireless systems data on air can be accessed by a large number of mobile users. Many of these applications including wireless internets and traffic information systems are pull-based, that is, they respond to on-demand user requests. In this paper, we study the scheduling and indexing techniques of XML on-demand broadcasting. Our main contributions are 1) pre-processing the original XML documents by pruning the superfluous parts before broadcast scheduling; 2) indexing XML documents in the broadcast disk using DataGuides structure. Experiments show our approaches reduce both access time and tuning time significantly.
引用
收藏
页码：3035 / 3038
页数：4
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