SPCoop is a nationwide framework for supporting service interoperability in the exercise and application of Italian government policies. The very core of this framework lies in the use of Semantic Web Services as a means to execute even complex administrative processes in a semi-automatic way, hence the need for added semantic value in the definition of such services. Because each participant is responsible for both authoring its domain knowledge representation and defining the services provided, and these tasks may be performed at different times by different individuals who may or may not belong to the same domain, the problem of heterogeneous individual knowledgeability arises. Also, the set of standards that were adopted in SPCoop includes specifications that have since been replaced by newer versions and show little coverage by existing implementations. SAscha is a Web tool intended to address such issues, offering an essentially simple WYSIWYM approach to annotating Web Service d...