Next, criteria have been evaluated. As defined previously, tech- nological and process performance criteria have been introduced in the model. The first level of the proposed hierarchy is com - posed by process criteria deducted by a well-known model, the SCOR (Supply Chain Operations Reference), which is a business ref- erence model for analysing engineering processes ( Huang, Sheoran, & Keskar, 2005 ). The SCOR model has been widely applied to eval- uate key performance drivers in several industries, especially in the manufacturing sector. In the following are the three criteria based on the proposed SCOR framework: