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An XQuery Processing Engine for Real-Time Sensor Data in Ubiquitous Environments  

Yim, Hyung-Jun (충남대학교 컴퓨터공학과)
Kim, Jae-Hoon (한국과학기술정보연구원)
Lee, Kyu-Chul (충남대학교 컴퓨터공학과)
Publication Information
The Journal of Society for e-Business Studies / v.15, no.4, 2010 , pp. 1-19 More about this Journal
Abstract
Recently, it is necessary to process real time sensor data, which is generated from ubiquitous environments. Data, which are written by XML, are small, but, large volumes of data. Therefore, weneed to use an efficient method for processing a large amount of it. An XQuery has two types for sensor data: one is to get sensor identification and value from sensor data; the other is restructuring for user's convenience. Existing XQuery engines don't have efficient method for batch processing of sensor data. This paper proposed the twig query processing over reverse path summary, and we developed and applied restructuring batch processing method for real time processing of a large amount of sensor data. Finally, we do performance evaluation using XMark and RFID EPC data, and comparison analysis with MonetDB/XQuery and Berkeley DB XML.
Keywords
XQuery; XML DBMS; Reverse Path Summary; Twig Query; Reconstruction; Sensor Data;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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