A query ontology to facilitate web service discovery

Service Oriented Architecture proposes a new paradigm to achieve building complex web based applications. It uses web services as building blocks in order to create a composition. Although, before composing web services to build a complex application, proper web services should be discovered. Effective web service discovery heavily depends on the algorithm used to match services and also accuracy and adequacy of information gathered from user's request. In this paper a query ontology in accordance with web service description documents based on WSDL to facilitate web service discovery proposed.