document: Meteor-s web service annotation framework The World Wide Web is emerging not only as an infrastructure for data , but also for a broader variety of resources that are increasingly being made available as Web services . Relevant current standards like UDDI , WSDL , and SOAP are in their fledgling years and form the basis of making Web services a workable and broadly adopted technology . However , realizing the fuller scope of the promise of Web services and associated service oriented architecture will requite further technological advances in the areas of service interoperation , service discovery , service composition , and process orchestration . Semantics , especially as supported by the use of ontologies , and related Semantic Web technologies , are likely to provide better qualitative and scalable solutions to these requirements . Just as semantic annotation of data in the Semantic Web is the first critical step to better search , integration and analytics over heterogeneous data , semantic annotation of Web services is an equally critical first step to achieving the above promise . Our approach is to work with existing Web services technologies and combine them with ideas from the Semantic Web to create a better framework for Web service discovery and composition . In this paper we present MWSAF ( METEOR-S Web Service Annotation Framework ) , a framework for semi-automatically marking up Web service descriptions with ontologies . We have developed algorithms to match and annotate WSDL files with relevant ontologies . We use domain ontologies to categorize Web services into domains . An empirical study of our approach is presented to help evaluate its performance .
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