Surveys , Vol.27 No.2, June 1995, pages 265-267. Keywords mediators, information systems Information systems can be defined as computing systems which provide information for their customers, often in a decision-support role. Construction of information systems is being aided today by the many tools being provided by vendors of client-server systems. A furious race is underway to establish standards, since adoption will direct investment by customers. A logical evolution of client-server architecture provided by mediated architectures, where an extra software layer is inserted between the client and the server.
Mediators are domain-specialized so that their maintenance can be focused.
A number of open research questions are given.