Memetic algorithm for web service selection
Proceedings of the 3rd workshop on Biologically inspired algorithms for distributed systems
An evidence-based scheme for web service selection
Information Technology and Management
Cohesion and coupling metrics for ontology modules
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Research on the group decision-making about emergency event based on network technology
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Constructing a decision support system for management of employee turnover risk
Information Technology and Management
Optimal selection of web services for efficient qos driven web service compositions
ADCONS'11 Proceedings of the 2011 international conference on Advanced Computing, Networking and Security
A methodology for web services-based SOA realisation
International Journal of Business Information Systems
Resource virtualization and service selection in cloud logistics
Journal of Network and Computer Applications
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A web service is an interface of the software component that can be accessed by standard Internet protocols. The web service technology enables an application to application communication and interoperability. The increasing number of web service providers throughout the globe have produced numerous web services providing the same or similar functionality. This necessitates the use of tools and techniques to search the suitable services available over the Web. UDDI (universal description, discovery and integration) is the first initiative to find the suitable web services based on the requester's functional demands. However, the requester's requirements may also include non-functional aspects like quality of service (QoS). In this paper, the authors define a QoS model for QoS aware and business driven web service publishing and selection. The authors propose a QoS requirement format for the requesters, to specify their complex demands on QoS for the web service selection. The authors define a tree structure called quality constraint tree (QCT) to represent the requester's variety of requirements on QoS properties having varied preferences. The paper proposes a QoS broker based architecture for web service selection, which facilitates the requesters to specify their QoS requirements to select qualitatively optimal web service. A web service selection algorithm is presented, which ranks the functionally similar web services based on the degree of satisfaction of the requester's QoS requirements and preferences. The paper defines web service provider qualities to distinguish qualitatively competitive web services. The paper also presents the modelling and selection mechanism for the requester's alternative constraints defined on the QoS. The authors implement the QoS broker based system to prove the correctness of the proposed web service selection mechanism.