based → mathematical criteria. Consistent with a single external paradigm. Paradigmatic domain → stable assumptions. v.g. Unicode, Physics simulation S-Type P-Type E-Type Actively used and embedded in the real world. Evolutionary systems → constantly adapting to change.
Software Evolution. Madhavji, Nazim H., Fernandez Ramil Juan Carlos, and Dewayne E. Perry. Software Evolution and Feedback: Theory and Practice. Chichester, England: John Wiley & Sons, 2006. Print. Brooks, Frederick P. The Mythical Man-month: Essays on Software Engineering. Weiss, Michael. Economics of Software Product Development Collectives. Petersen, K. & Wohlin, C. Measuring the Flow in Lean Software Development.