Using arguments on requirements for services

When dealing with public descriptions of interacting software services, we focus towards identifying those specification gaps from the description of the service workflows based on Open Workflow Nets. Apart from the functional requirements we are tackling the use of estimated non-functional requirements by arguments. We are using the reasoning power of the Value based Argumentation Framework, which allows us to decide upon the best course of action to consider for successfully accomplishing the pre-established functional requirements of the interacting software services, and also to solve the preferences in an efficient and time consuming manner.