Research On Web Services Selecttion Based On Mechanism Design

With the development of the computer internet technology and software technology, more and more distributed applications, Web services is the standard framework of the current building distributed applications.SOA (service-oriented architecture), the rapid development of cloud computing technology, more and more businesses and organizations in the form of Web services to provide services to outside.Web service composition is to be distributed on the network services, organized according to a certain order, the interaction between them, in order to achieve more complex Web services.Web services, most researchers focused on the choice of Web services to meet the needs of the user’s QoS.As in the real economic environment, the service who have their own economic interests, they may by providing false information and improve their own interests, the starting point of this paper is how to formulate the service selection mechanism to motivate service providers to provide their own real informationand the overall effectiveness of the final.On the other hand, a very large number of Web services, service selection algorithm complexity can not be too high, another important part of this article is to design efficient service selection algorithm.This paper studies include the following aspects:Use mechanism design modeling Web service composition Problem.Web services and Web service composition, and research in the field of Web Services Composition, and sum up on the mainstream method of classification.The option of a Web services based on the VCG mechanism, Web service composition mechanism design modeling method for solving the QoS constraint conditions, based on greedy search serviceselection algorithm and genetic algorithm-based service selection algorithm and the algorithm run results were compared.On the basis of the above work, then the combinatorial auction-based Web service options, it takes into account the situation is more complex than considered in the Web service options based on the VCG mechanism:the first service provider to some independent service bundletogether as a whole to the service requester, and the second, more complex Web services organization, including sequential, branching, and recycling. Then given the appropriate services to choose the solution algorithm and experimental analysis.Choice of services to the realization of the prototype system, the need to implement the functionality of the prototype system, the structure of the Department of spinning, services description language to develop.