Abstract

ABSTRACT In this paper, a multilayered clustering framework is proposed to build a service portfolio to select web services of choice. It is important for every service provider to create a service portfolio in order to facilitate the service selection process for someone to obtain the desired service in the absence of public UDDI registries. To address this problem, a multilayered clustering approach applied on a variety of data pertaining to web services in order to filter and group the services of a similar kind which in turn will improve the leniency in the process of service selection is used. The advantages of the layer approach are reduced search space, combination of incremental learning and competitive learning strategies, reduced computational labour, scalability, robustness and fault tolerance. The results are subjected to cluster analysis to verify their degree of compactness and isolation and appropriate evaluation indices are used. The results were found passable with an improved degree of similarity.

Highlights

  • A Service provider in general has to do the following to put a service available for use in a conventional approach

  • As public registries are closed it becomes essential for service providers to make all the web service descriptions that are published available in order to choose or search a web service preferably in a proprietary portal

  • Non-Functional data (QoS parameters) Quality of Services (QoS) (Quality of Service) attributes of a web service can be understood as the capacity of a web service to act in response to expected invocations

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Summary

Introduction

A Service provider in general has to do the following to put a service available for use in a conventional approach. The discovery process is made successful defending on the maturity and capability of the matching process in order to make the search process easier an arrangement and organization of services grouping them based on certain relevancy factors is an indispensable factor. In this context two issues are of primary concern, One, a procedure for categorization of services through efficient clustering techniques in order to facilitate any match making process to fetch the right service based on the requirements.

Common approaches for web services clustering
Criteria for choosing a clustering algorithm
Proposed Work
Algorithms used
Meta data The following are the sources of the metadata of a web service
Clustering schemes
Art algorithm and its features
Relevancy factor
Intercluster and intracluster distances
Key merits of the approaches
Conclusion
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