Vertaile menetelmiä
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| Sumearat kognitiiviset kartat (FCM)× | Bayesiläinen verkko× | |
|---|---|---|
| Tieteenala≠ | Pehmeä laskenta | Bayesilainen tilastotiede |
| Menetelmäperhe≠ | Process / pipeline | Bayesian methods |
| Syntyvuosi≠ | 1986 | 1988 |
| Kehittäjä≠ | Bart Kosko | Judea Pearl |
| Tyyppi≠ | Fuzzy causal/feedback network for scenario analysis | Probabilistic graphical model |
| Alkuperäislähde≠ | Kosko, B. (1986). Fuzzy cognitive maps. International Journal of Man-Machine Studies, 24(1), 65–75. DOI ↗ | Pearl, J. (1988). Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference. Morgan Kaufmann. ISBN: 978-1558604797 |
| Rinnakkaisnimet≠ | FCM, Kosko cognitive map, causal cognitive map, bulanık bilişsel haritalar | Bayes network, belief network, probabilistic graphical model, directed graphical model |
| Liittyvät | 4 | 4 |
| Tiivistelmä≠ | A fuzzy cognitive map, introduced by Bart Kosko in 1986, represents a system as a network of concepts connected by signed, weighted causal links, and simulates how the concepts influence one another over time. By combining the intuitive structure of a cognitive map with fuzzy weights and iterative activation, FCMs let experts encode causal knowledge and then run what-if scenarios — making them popular for policy analysis, strategic decision-making, and modelling complex socio-technical systems. | A Bayesian network is a probabilistic graphical model, introduced by Judea Pearl in 1988, that encodes a set of variables and their conditional dependencies as a directed acyclic graph (DAG). Each node represents a variable; each directed edge encodes a direct probabilistic influence. By combining Bayes' rule with the graph's conditional independence structure, the model supports reasoning under uncertainty — computing the probability of any variable given observed evidence about others. |
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