Аннотация:
Owing to the advances in the informatization of modern society, most
organizations when they begin business process reengineering already have
some ISs, which eventually also demand reengineering. Due to such
reasons there are arising a difficulties of the connection and analyzing the
contained information in the miscellaneous sources. It is becoming urgent
task of consolidating the existing information systems. Moreover, in this
case, the integration of information systems (IS) is actual not so much on
the external schema level, i.e. on the user view, as at the data level, actually
the part of the IS, which is the information model of the subject domain.