“Knowledge is encoded in models. Models are synthetic sets of rules, and pictures, and algorithms providing us with useful representations of the world of our perceptions and of their patterns.”
Source: Why Stock Markets Crash - Critical Events in Complex Systems (2003), Chapter 5, Modeling Financial Bubbles And Market Crashes, p. 134.
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Didier Sornette 27
French scientist 1957Related quotes

Source: Information Engineering (1989), p. viii
Source: Systems Engineering Tools, (1965), p. 108; As cited in: Alberto Ortiz (1992, p. 13)
Zachman (1987) cited in: Antonio Laganà, Marina L. Gavrilova, Vipin Kumar (2004) Computational Science and Its Applications -- ICCSA 2004. p. 604

Source: 1960s, Scientific method: optimizing applied research decisions, 1962, p. 108 as cited in: Charles West Churchman, Richard O. Mason (1976) World modeling: a dialogue. p. 23.
Mark S. Fox, John F. Chionglo, and Fadi G. Fadel (1993) " A common-sense model of the enterprise http://windsor.mie.utoronto.ca/enterprise-modelling/papers/fox-ierc93.pdf." Proceedings of the 2nd Industrial Engineering Research Conference. Vol. 1. 1993.

Source: ARIS architecture and reference models for business process management (2000), p. 380.

“All models are wrong; some models are useful.”
For instance in George E. P. Box, William Hunter and Stuart Hunter, Statistics for Experimenters, second edition, 2005, page 440. See "All models are wrong".

[An informational process based on reversible universal cellular automata, Physica D: Nonlinear Phenomena, 45, 1–3, September 1990, 254–270, https://www.sciencedirect.com/science/article/pii/016727899090186S, 10.1016/0167-2789(90)90186-S]