samhill
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Sam Hill (euphemism) — The etymology for Sam Hill as a euphemisim is uncertain; however it first appeared regularly in print in Seattle, America around 1926. References were made in both the Seattle Times newspaper and Time Magazine to the Hill family consisting of… … Wikipedia
Self-organizing map — A self organizing map (SOM) is a type of artificial neural network that is trained using unsupervised learning to produce a low dimensional (typically two dimensional), discretized representation of the input space of the training samples, called … Wikipedia
