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Design and Implementation of USN Middleware using DTD Generation Technique
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2012, 17(3), pp.41-50
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2012, 17(3), pp.41-50
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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In the monitoring system based on web service application, it is faced with the problems like code reproduction, difficult scalability and error recovery derived from the frequent change of data structure. So we propose a technique of monitoring system by DTD(Document Type Definition) automatic generation. This technique is to use dynamic server-side script to cope with the change of sensor data structure, generate the DTD dynamically. And it also adapt the AJAX(Asynchronous JavaScript and XML) for XML data parsing, it can support mass data transmission and exception processing for data loss and damage. This technique shows the result of recovery time is decreased about 44.8ms in case of temporary data failure by comparing to the conventional XML method.
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