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ICTAI
2008
IEEE

Computational Complexity of Web Service Composition Based on Behavioral Descriptions

11 years 6 months ago
Computational Complexity of Web Service Composition Based on Behavioral Descriptions
The Web Service Composition (WSC) problem on behavioral descriptions deals with the automatic construction of a coordinator web service to control a set of web services to reach the goal states. As such, WSC is one of the fundamental techniques to enable the Service Oriented Architecture on the Web. Despite its importance and implications, however, very few studies exist on the computational complexities of the WSC problem. In this paper, we present two novel theoretical findings on WSC problems: (1) Solving the WSC problem with “complete” information is EXP-hard, and (2) Solving the WSC problem with “incomplete” information is 2-EXP-hard. These findings imply that more efforts to devise efficient approximate solutions to the WSC problem be needed.
Hyunyoung Kil, Wonhong Nam, Dongwon Lee
Added 31 May 2010
Updated 31 May 2010
Type Conference
Year 2008
Where ICTAI
Authors Hyunyoung Kil, Wonhong Nam, Dongwon Lee
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