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MWSDI-ICWS04-final



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Discovery of Web Services in a Federated Registry Environment Kaarthik Sivashanmugam Kunal Verma Amit Sheth Large Scale Distributed Information Systems LSDIS Lab Department of Computer Science University of Georgia Athens GA 30602 verma amit cs uga edu Abstract The potential of a large scale growth of private and semiprivate registries is creating the need for an infrastructure which can support discovery and publication over a group of autonomous registries Recent versions of UDDI have made changes to accommodate interactions between distributed registries In this paper we discuss METEOR S Web Service Discovery Infrastructure which provides an ontology based infrastructure to provide access to registries divided based on business domains and grouped into federations We also discuss how Web service discovery is carried out within a federation Keywords Web services Discovery peer to peer Decentralized UDDI 1 Introduction There has been a significant change in focus of the vision of UDDI UDDI 2002 since its inception This was evident in the release of version 3 UDDI 2003 which has several new features to augment the centralized paradigm of UBR to facilitate interaction between the UBR and private and semi private registries The current search facilities offered by the latest version of UDDI do not offer any special features for finding Web service registries As a result it is assumed that Web service clients have prior knowledge of the location of the registries In this paper we present our implementation of a peer to peer network of private semi private and public UDDI registries which allows transparent access to other registries based on registry federations or domains We use an ontology based approach to classify registries and locate them based on the users requirements suppliers or it may want to contact a marketplace to find similar services Assuming that partners maintain similar private registries this process can be automated by forming registries



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