A hundred years has passed since Scientific Management was published by A.F.Taylor who is recognized as the originator of Industrial Engineering, but it is no longer the era of manufacturing goods with several tens of components. Now it is time for applying engineering methodology to Enterprise Activities, that is, Enterprise Engineering.In this course, you will learn the representative methodology called DEMO (Design & Engineering Methodology for Organizations) in Enterprise Ontology. You will have better understanding of the concept and learn how to apply it for target systems with a certain size.