JISE


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Journal of Information Science and Engineering, Vol. 32 No. 5, pp. 1183-1203


An Efficient XML Data Placement Scheme over Multiple Wireless Broadcast Channels


HOSSEIN MIRABI1, MEGHDAD MIRABI2,+ AND ALI BORJIAN BOROUJENI3 
1Department of Computer Engineering 
University of Kashan 
Kashan, Iran 
2Department of Computer Engineering 
Islamic Azad University 
South Tehran Branch, Tehran, Iran 
3School of Computer Engineering 
Iran University of Science and Technology 
Tehran, Iran 
E-mail: {hossein22mirabi; meghdad.mirabi; web.ebox}@gmail.com


    In this paper, we propose an XML data placement scheme by optimally partitioning XML data among multiple broadcast channels in such a way that it minimizes the average response time of mobile clients in processing of different XML queries. By performing several experiments, we have shown that our proposed XML data placement scheme improves the performance of XML query processing of mobile clients in terms of access time without increasing the tuning time.


Keywords: data placement, multiple broadcast channels, mobile wireless networks, XML query processing, XML stream

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