The information engineering notation

Figure A.4 shows the same business area drawn using the Information Engineering data modelling notation. Information Engineering was developed by James Martin and Clive Finkelstein in the late 1970s. It was very popular in the UK, Europe and USA in the 1980s and 1990s, where it had extensive CASE tool support. The methodology had a number of techniques which looked at data (its structure and how it changed over time) and processes and provided some cross-checking to ensure that there is a correlation between data and process.

The relationship notation is as precise as that used in the Ellis–Barker notation, but more symbols are used to impart the same message. A crow’s foot with a bar across its base means ...

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