The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Wikipedia's[2][3] AlexNet article gives the submission date without hedging: "The three formed team SuperVision and submitted AlexNet in the ImageNet Large Scale Visual Recognition Challenge on September 30, 2012." The paper itself, "ImageNet Classification with Deep Convolutional Neural Networks", followed in Advances in Neural Information Processing Systems 25 later that year; the pin takes the dated competition result.
Dates the ILSVRC submission and describes the architecture as "regarded as the first widely recognized application of deep convolutional networks in large-scale visual recognition", developed by Krizhevsky with Sutskever and his advisor Hinton.[1]
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