An approach for composite web service selection based on DGQoS

2011 ◽  
Vol 56 (9-12) ◽  
pp. 1167-1179 ◽  
Author(s):  
Zhi-Jian Wang ◽  
Zhi-Zhong Liu ◽  
Xiao-Feng Zhou ◽  
Yuan-Sheng Lou
Keyword(s):  
Web Service ◽  
Service Selection ◽  
Web Service Selection ◽  
Composite Web Service

Dynamic Transaction Aware Web Service Selection

2014 ◽  
Vol 23 (03) ◽  
pp. 1450004 ◽  
Author(s):  
Kanchana Rajaram ◽  
Chitra Babu ◽  
Arun Adiththan
Keyword(s):  
Web Service ◽  
Service Selection ◽  
Dynamic Selection ◽  
Web Service Selection ◽  
Composite Web Service ◽  
Requirements Change ◽  
Selection Approach ◽  
Internet Environment ◽  
Run Time ◽  
The Impact

Web service composition, that recursively constructs a composite web service out of the existing services based on a business workflow has been acknowledged as a promising approach to meet the user demands, whenever a single service alone cannot fulfil the needs. In view of frequent failures in the internet environment where the composed service is executed, reliability of the composed service must be ensured. The reliability is determined by the behavioral or transactional properties of component services. The component services for each activity of the workflow must be selected based on their behavior so that their execution results in a consistent termination. Service selection must happen at run-time in order to consider the services available in a service registry at the time of execution. Towards this need, a dynamic transaction aware web service selection approach is proposed in this paper. Further, whenever user requirements change, a long running transaction must be interrupted and cancelled which is not addressed by any of the existing works. Hence, service cancellability property is proposed in this paper and incorporated in the dynamic selection approach. The overhead of the proposed run-time selection approach is assessed and the impact of increased services on its performance is also measured.

Method of Top-k Web service selection based on QoS

2010 ◽  
Vol 30 (4) ◽  
pp. 872-875
Author(s):  
Hai WANG ◽  
Zheng-dong ZHU ◽  
Zeng-zhi LI
Keyword(s):  
Web Service ◽  
Service Selection ◽  
Web Service Selection
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