Enterprisology

A detailed technique is to be found in United States Patent  7580913 (Complete patent can be found at this URL: http://bit.ly/bRQI2Z )

The basic technique for building such a model is through the usual methods of understanding business areas -- reviewing documents and talking to business people.  In this case the mindset is not "What do you do?", but rather "What do you need in order to achieve required or desired results?"