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TTS-Coded Genetic Algorithm for QoS-driven Web Service Selection
Zhang Lei * #,Shuang Kai
Switching and Network National Key Lab in Beijing University of Posts and Telecommunications
*Correspondence author
#Submitted by
Subject:
Funding: The Hi-Tech Research and Development Program (863 Program) of China under Grant（No.No.2006AA01Z164）
Opened online:13 January 2009
Accepted by: none
Citation: Zhang Lei,Shuang Kai.TTS-Coded Genetic Algorithm for QoS-driven Web Service Selection[OL]. [13 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27740
 
 
To maximize user satisfaction during composition of web services, a novel Genetic Algorithm based on a special Tree Traversal Sequence (TTS) coding scheme is presented in this paper. Utilizing the tree traversal information toted by individuals of genetic population and the composite logical information stored in Tree Composite Pattern (TCP), TTS coding scheme can support all the 4 basic models of service composition flows in a much simpler and more effective way. Additionally, an adaptive crossover and mutation strategy is adopted to improve the algorithm\
Keywords:web service selection;genetic algorithm;TTS;QoS-driven
 
 
 

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