Discussion
Which system pioneered a Bayesian style of evidence combination?
Answer: B
PROSPECTOR used an inference network with likelihood ratios to combine geological evidence, and famously identified a molybdenum deposit. Its odds-based updating was closer to sound probability than certainty factors were, though it too made independence assumptions. MYCIN, XCON and DENDRAL used other schemes. PROSPECTOR is the natural bridge from expert systems to the Bayesian networks that followed. Reading the definition literally, rather than recalling a formula, is the reliable route through questions of this shape.
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