Interoperability in service oriented environments is heavily inuenced by the view that the cooperating services have on their data. e term service for the abstract contract concl...
Abstract: The paper presents ”Any Input XML Output” (AIXO), a general and flexible software architecture for wrappers. The architecture has been designed to present data sourc...
Business-to-business (B2B) data exchange and integration is a common daily operation in today’s organizations. These operations are crucial since they affect organizations’ ca...
Understanding the performance and dynamic behavior of workflow is crucial in being able to modify, maintain, and improve it. A particularly difficult aspect of measuring the perfor...
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...