A. Web Service Description Language- WSDL[3] This is well-known standard for describing web service. Basically WSDL[3] contains two sections as: • Concrete section: This contains list of service endpoints or say ports. Each port has its type declared in abstract...
The GRIDL project works towards a distributed image processing system in support of virtual observatories for astronomy. The goal of the project was to develop a set of tools for accessing and manipulating of distributed astronomical data via IDL clients. To do so,...
Web services composition is one of the most prominent activities in service oriented software development. Composition means to build a composite web service with component web services [1]. The specification of the composition is done by modeling a low level business...
Service annotations can be exploited to significantly enhance the initial UI which is generated by the tranformation of interaction tasks into dialogs. Without annotations, the initial UI generated from a task model lacks suitable layout definitions, usability...
The aspect of human interaction becomes more and more relevant for service-oriented applications. On one hand, current development approaches support the composition of services but neglect the creation of user interfaces. On the other hand, task-based modeling of...
The advent of component-based software engineering changes this situation by making available mechanisms that enable software elements, right down to the binary level, to be rapidly and efficiently assembled into new applications. This allows the basic tenet of...