I recently decided to drop into a FutureLearn course "Decision Making in a Complex and Uncertain World" by the University of Groningen. The opening section really made me sit up as I realized that I had never seriously thought about a formal definition that clearly distinguished between complex and uncertain systems and complicated but predictable ones. Of course I was well aware of the difference in practice but having a definition clarified a number of issues relating to how my research into a human-friendly computer (CODIL) started, why the research came to be abandoned, and why there is now renewed interest in the subject.
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Fossil Elephant Tooth |