A method, computer program product and system for displaying Web services. Web services may be displayed by generating a data model of a description of the Web service. A perspective visitor may be applied to the generated data model where the perspective visitor corresponds to a preselected domain. A perspective of the Web service associated with the preselected domain may be displayed in response to applying the perspective visitor. The perspective visitor may include a visitor pattern for encapsulating an operation to be performed on elements of the data model.