Enterprise engineering is an integrated set of disciplines for building an enterprise, its processes, and systems. - James Martin

A real-time computer system may be defined as one which controls an environment by receiving data, processing them, and taking action or returning results sufficiently quickly to affect the functioning of the environment at that time.

A horrifying amount of "business engineering" is done with the wrong strategic vision. A horrifying amount of IT development is done with the wrong business design.

Information engineering has been defined with the reference to automated techniques as follows: An interlocking set of automated techniques in which enterprise models, data models and process models are built up in a comprehensive knowledge-base and are used to create and maintain data-processing systems.