tutorial-ozchi-lec2-ser

Wisdom is not the product of schoolingbut the lifelong attempt to acquire it.- Albert EinsteinEvolutionary Design of Complex SystemsGerhard Fischer3Center for LifeLong Learning & Design (L D)http://www.cs.colorado.edu/~l3d/Department of Computer Science and Institute of Cognitive ScienceUniversity of Colorado, BoulderTutorial (December 5, 2000) at OZCHI 2000Gerhard Fischer 1 Evolutionary Design Lecture, OZCHI’2000Overview • System Design Problems and Challenges • Domain-Oriented Design Environments (DODEs) • Evolution: The SER Model • AssessmentGerhard Fischer 2 Evolutionary Design Lecture, OZCHI’2000 Problems of System Design• problems in semantically rich domains à thin spread of applicationknowledge• modeling a changing world à changing and conflicting requirements• turning a vague idea about an ill-defined problem into a specificationà “design disasters”, “up-stream activities”• “symmetry of ignorance” (between different communities of practice)à communication and coordination problems• reality is not user-friendly à useful and usableGerhard Fischer 3 Evolutionary Design Lecture, OZCHI’2000Answers to Problems of System Design• problems in semantically rich domains à thin spread of applicationknowledge — domain-orientation• modeling a (changing) world à changing and conflicting requirements —evolution• turning a vague idea about an ill-defined problem into a specificationà “design disasters”, “up-stream ...