3 posts tagged with algorithms.
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backpropagation for literal credit assignment

prospective possible application of a very old algorithm, backpropagation, to a fundamental problem in organizations, that of giving credit to people [more inside]
posted by hleehowon on Jun 1, 2017 - 2 comments

Fact-Checking Can Reduce the Spread of Unreliable News. It Can Also Do the Opposite.

Moderators of r/worldnews on reddit worked with me to test an idea: what are the effects of encouraging fact-checking on the response and spread of unreliable news? On average, messages encouraging fact-checking caused a 2x reduction in the reddit score of tabloid submissions, which likely influenced reddit's rankings. [more inside]
posted by honest knave on Feb 1, 2017 - 3 comments

Generate images using an evolutionary algorithm by accepting or rejecting random images

This simple JavaScript game allows you to evolve a small image simply by accepting or rejecting random images, allowing them to "reproduce" into a new generation, and then winnowing down that generation to the "fittest" (ie, closest to your desired outcome) individuals. In other words, without drawing, you can--simply by accepting and rejecting images--create an image that you imagine.
posted by candasartan on Feb 28, 2013 - 2 comments

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